The team behind Sustainable.
Our experts.

Studied at Bremen University of Applied Sciences and the Royal Institute of Technology in Stockholm.

Focus since 2001: corporate climate protection, advising companies on energy efficiency improvements, implementation of emissions trading, processing of corresponding market transactions, development and review of CDM projects, development and implementation of climate strategies, product carbon footprint.

Jan is the founder and CEO of sustainable AG.

Studied business administration with a focus on management and controlling at the HTWG Konstanz and at Saint Mary's University in Halifax, Canada. He has also completed a professional training in wholesale and foreign trade.

Stefan has more than 15 years of experience in operational and strategic business development. He has worked in various functions and divisions in both international corporate structures and in the private equity environment. The focus of his work was on the development and transformation of organizational units and companies with a focus on marketing and sales, operations, innovation management and corporate transformation. Most recently, he worked as a management consultant, particularly in the fields of strategy consulting, organizational development and international cooperation.

Stefan is Executive Director Operations and, as a member of the Executive Board, is responsible for the strategic and operational development of Sustainable. 

Stefan has been with Sustainable since 2024.

Studied M.Sc. in Georesource Management and Economics at RWTH Aachen University.

Laura has 10+ years of experience in advising and supporting companies on all aspects of sustainability. In various roles, she has supported companies of different sizes and industries as well as corporate consortia in strategy development and implementation, particularly on the topics of climate protection, circular economy and sustainability communication.

Before joining Sustainable as a Director, Laura worked for many years as a strategy consultant at Accenture, was Managing Director of a software provider for supply chain transparency solutions, headed the Sustainability Competence Center at GS1 Germany, and worked at the Wuppertal Institute for Climate, Environment and Energy.

Laura has been with Sustainable since 2024.

Studied business administration at Friedrich-Alexander University Erlangen-Nuremberg and Tongji University in Shanghai. Completed training as a wholesale and foreign trade merchant at Conrad Electronic.

Markus has been advising companies on energy, climate and sustainability issues for over 10 years. From 2007 to 2013, Markus was project manager for the development of national and international climate protection projects based on the Gold Standard, VCS, CDM or JI. Since 2010, Markus has also been carrying out assessments of climate protection projects for investors, plus the quality standards CCBS, Social Carbon and Plan Vivo. Since 2011, support for industrial companies covered by the EU Emissions Trading Scheme has been part of the scope of advice on compliance strategies, allocation applications, emissions reporting and capacity expansions.

With regard to sustainability, his focus is on advising companies on the development of 2-degree compatible climate strategies for greenhouse gas emissions in accordance with GHG Protocol Scope 1-3, calculation and assessment of carbon footprints, Advising companies and investors on sustainable finance through climate impact assessment, industrial companies in EU emissions trading, CDP consulting (climate change, supply chain and water), advising companies on the introduction of data management, implementation of CSR reporting obligations and the development of control instruments for climate management. The development of climate protection projects and the sourcing of CO₂ certificates for the climate neutrality of companies as well as the preparation of analyses of the market for the voluntary compensation of GHG emissions complete his consulting profile.

Project management comprises project planning, control and management and includes communication with customers as a key account. Markus uses specific methods and management knowledge for project implementation in accordance with customer requirements.

Markus has been working at Sustainable since 2013.

Caro initially studied Business Administration in her Bachelor's degree and Statistics in her Master's degree at Humboldt-Universität zu Berlin. During her subsequent career start as a data scientist at mayato GmbH, she focused on setting up and developing real best practices. She worked with clients such as Miele, Deutsche Bahn, VW and various medium-sized companies.

Caro has been working in consulting for 10 years and in the field of digitalization with a focus on data and AI for 12 years. Most recently, she was Managing Director of the Positive Thinking Company as a management consultant in C-level consulting.

She works across all industries and sees digitalization as a universally applicable tool. In doing so, she always ensures a good translation between strategy and specific work packages on the one hand and between business problem and tech solution on the other. It is important to her that digitalization always means collaboration - to create a culture in which everyone is happy to contribute and get involved

Her focus at sustainable is on combining the twin transformations of sustainability and digitalization. She sees digitalization as a tool for increasing sustainability.

Caroline Kleist has been at sustainable since February 2024.

Studied B.Sc. Technology Management at the Technical University of Munich and M. Sc. Economics at the NOVA School of Business and Economics in Lisbon, Portugal.

Christian leads the climate management and climate strategy team at sustainable. His core topics include the development and implementation of climate strategies according to the standards of the Science-Based Targets initiative as well as the recording, balancing and monitoring of emissions in accordance with the Greenhouse Gas Protocol. Christian also supports clients in identifying suitable emission reduction measures and defining KPIs and governance structures to ensure that targets are achieved. His work also includes designing and conducting workshops and training courses for managers as well as coaching CR departments on greenhouse gas accounting, climate strategies and climate management. He manages projects in these areas, acts as an expert and is available to clients as a key account manager. His clients come from industry, trade and the technology and textile sectors, among others. He has several years of professional experience in project and quality management as well as in technical process development and has also been involved in EcoDesign development processes.

Christian Kubis has been with Sustainable since 2019.

Master's degree (M.Sc.) in Technical Environmental Protection at the Technical University of Berlin with a stay abroad in the UK, as well as a Master's in Business Administration at IU International University.

Most recently head of the Climate & Environment team in the Corporate Sustainability department of an international corporation and head of a department for the development of business models in the context of corporate decarbonization. Thematic focus is on ESG data management, climate management and strategy, (product-related) environmental management, as well as corporate decarbonization approaches including compensation and neutralization. 

Hendrik has been with Sustainable since 2024.

Bachelor's degree in International Relations and Management at OTH Regensburg, with stays abroad in Arequipa (Peru), an internship at the German Embassy in Washington D.C. and at the AHK in Vienna. He then completed a Master's degree (M.Sc.) in Sustainable Resource Management at the Technical University of Munich, specializing in environmental management and sustainable agriculture.

In addition, Julia gained practical experience in corporate strategy - sustainability at Audi AG and in corporate and financial communications at ProSiebenSat.1 Media AG.

The focus at Sustainable is on supporting the development and implementation of climate strategies as well as advising on the implementation of carbon and product footprint (CCF & PCF) calculations.

Julia has been with Sustainable since 2019.

Studied at the Management Center Innsbruck with a focus on environmental process engineering and biotechnology. He also completed vocational training as a technical assistant in food analysis and is a state-certified biotechnician.

Since 2003, Felix has been advising industrial companies, project developers and investors on CO₂ markets and climate strategies. Using his many years of practical experience supporting plant operators within the European Emissions Trading System, he develops strategies for dealing with CO₂ costs in collaboration with clients. He has supported numerous climate protection projects in obtaining certification according to international standards (CDM, JI, Gold Standard) and has developed new methods for them. Felix develops climate strategies based on the greenhouse gas balances of companies and products, and advises clients on the opportunities and risks of carbon markets. He held a management position at a leading consulting firm, expanding the international project business and establishing a branch office in Turkey. He currently oversees climate strategy projects and business development related to climate change solutions in agriculture and natural carbon sinks.

He has been with Sustainable since 2023.

PhD in Forest Economics at the Chair of Forest Business Administration at the Technical University of Munich. Dissertation on end customers' willingness to pay for (forest) climate protection projects using conjoint analysis.

Studied economics (specializing in corporate management and production) and forestry (forest planning and management) at the Georg-August University of Göttingen with stays abroad in New Zealand, Canada and Norway.

Multi-year professional experience as (senior) project manager, (IT) consultant and division manager of a tourism company. Active as a freelance consultant for climate protection since 2011.

In addition to agile project management, Endrik's focus at sustainable is on process-related support in the development and implementation of climate strategies and consulting on the implementation of corporate carbon footprints.

Endrik has been with Sustainable since 2021.

Lea studied International Relations at the Universities of Geneva and St. Gallen. She also holds a Master's degree in Political Science from the Universidad de los Andes in Bogotá, Colombia, a Certificate of Advanced Studies (CAS) in Economics, Leadership and Communication from the University of St. Gallen, and a CAS in Sustainable Finance from the University of Zurich.

Lea has over 10 years of experience in sustainability consulting and political communication. She worked in the energy and infrastructure sector for several years. Lea supports companies and public institutions in the development and implementation of sustainability strategies, circular business models, and prudent communication on these topics. She has in-depth knowledge of national and international economic, energy, and environmental policy, is well connected, and is familiar with the political processes and regulatory frameworks in Switzerland and the EU.

Lea has been with ecos since 2019.

Studied M. Sc. in Business Administration with a focus on innovation and strategy at the Ludwig-Maximilians-Universität in Munich and at the Benemérita Universidad Autónoma de Puebla in Mexico.

He gained practical experience as a project developer in the field of recycling and waste management at an NGO in Peru and during his studies at Siemens Management Consulting, Deloitte and the Institute for Strategy, Technology and Organization at Ludwig-Maximilians-Universität.

Timo has been with Sustainable since 2018.

Studied work and organizational psychology at the Albert-Ludwigs-University in Freiburg Further education in environmental management at the University of Hagen.

Many years of experience in various consultancies and in-house in the field of change management (implementation of strategic transformation projects - in addition to sustainability transformations, also reorganizations, post-merger integrations, process and IT implementations in various industries).

As Program Director for Corporate Relations at GoodPlanet in Belgium, her responsibilities included the design and implementation of awareness-raising and engagement formats for managers and employees on sustainability issues.

Worked for two years at the United Nations (UNDP, UNHCR) in the areas of organizational and human resources development.

Her focus at Sustainable is on sustainable change - supporting the implementation of sustainability transformation processes and the implementation of sustainability strategies.

Kristina has been with Sustainable since 2022.

Studies in Sustainable Management (M.Sc.) at the University of Ulm and Philosophy & Economics (B.A.) with a focus on business ethics at the University of Bayreuth and the Université de Liège. Master's thesis on "Moral Displacement in Organizations".

Mirjam has 5 years of experience in forensics and compliance consulting at a global audit firm. Her predominant work has mainly involved projects in the areas of ESG compliance, governance & integrity and risk management. She is also a fraud examiner with the Association of Certified Fraud Examiners with experience in fraud prevention and fraud risk.

In addition to the development of sustainability strategies, her focus at Sustainable is on the effective integration of sustainability into governance structures in the area of ESG risk management and compliance along the entire value chain.

Mirjam Bauer has been with Sustainable since 2024.

Bachelor's degree in Economics (B.Sc.) at the University of Mannheim and Stockholms Universitet. Master's degree in Economics (M.Sc.) at Ludwig-Maximilians-University Munich with a focus on Environmental Economics and Applied Econometrics.

Sustainable focuses on the development and implementation of climate strategies. This includes the recording of corporate carbon footprints (Scope 1,2 & 3) and the identification of climate targets and their implementation paths (top-down target development, bottom-up potential analysis, scenario modeling). Lisa also creates product carbon footprints.

Lisa gained practical experience at the Center for European Economic Research Mannheim (ZEW) in the field of environmental and resource economics.

Lisa has been with Sustainable since 2021.

Environmental Engineering (B.Sc.) at RWTH Aachen, as well as Sustainable Resource Management (M.Sc.) at the Technical University of Munich with a focus on Renewable Energy and Sustainable Agriculture and a stay abroad in Norway at the NMBU. 

Jana gained practical experience as a working student at Stadtwerke München(SWM) in the field of decentralized energy solutions.

Her focus at Sustainable is the support in the development and implementation of climate strategies as well as the support in customer consulting for industrial companies covered by EU emissions trading.

Jana has been with Sustainable since 2021.

Daniela completed her doctorate in Climate Smart Agriculture at the University of Bonn and Forschungszentrum Jülich. Her research covered sustainable development strategies in Ethiopia, which included basic sanitation, waste management, food security, climate change adaptation and mitigation, and carbon sequestration in agricultural soils. She completed her Bachelor's degree in Chemistry at the University of Costa Rica and her Master's degree in Environmental Protection and Agricultural Food Production at the University of Hohenheim, Germany.

After her academic education, Daniela gained extensive experience as a sustainability analyst and consultant at ClimatePartner. There she specialized in greenhouse gas accounting and mitigation measures for the food and agriculture sector, following the GHG Protocol for land and non-land sector activities. She has played an active role in research and development, particularly in the calculation of greenhouse gas emissions at farm level using primary data for agricultural products. Daniela has been active in disseminating knowledge on land use change, emissions from land management and sustainable agricultural practices through internal trainings and external webinars.

Their focus at sustainable is on providing accurate and effective decarbonization strategies for clients engaged in land-based activities. This is done through the development and implementation of climate strategies, reduction scenarios and regenerative agriculture projects as part of SBTi FLAG and GHG Protocol Land Sector and Removals Guidance.

Daniela has been with Sustainable since 2023.

Studied Ecotrophology (B.Sc.) at the Hamburg University of Applied Sciences and California State University Long Beach. Master's degree in Sustainability Sciences (M.Sc.) at the Leuphana University of Lüneburg.

Tanja has experience in the support and implementation of carbon footprints at company or product level as well as in true cost accounting projects since 2019. The focus is on the accounting of food processing companies as well as the collection and evaluation of primary data from agricultural companies. She also supports the development and implementation of climate strategies by developing and analyzing emission reduction pathways for the food value chain together with the companies. Before joining Soil & More Impacts, Tanja gained practical experience in the food industry, mainly in product development.

Tanja previously worked at Soil & More Impacts and has been supporting Sustainable with her expertise since April 2022.

Bachelor's degree in International Energy Management (B.Sc.) with a stay abroad in Guadalajara, Mexico and studies focusing on renewable energies. European Master in Groningen, Netherlands and Kortrijk, Belgium in Sustainable Energy System Management.

Practical experience as a consultant for IT projects in the energy industry and as a sustainability manager in an electrical wholesaler. There she built up the sustainability management and was able to gain experience in the technical implementation of projects and internal and external communication.

Her focus at Sustainable is the development and implementation of climate and sustainability strategies and the calculation of CCFs and PCFs.

Saskia has been with Sustainable since 2023.

Martin has a degree in technical environmental protection engineering from the Technical University of Berlin and has worked on many different sustainability topics during and after his studies.

One of his main focuses is the linking of economic and ecological indicators, e.g. in the calculation of the "true costs" of agricultural products (true cost accounting). In the past, Martin spent five years working intensively in a nature conservation organization on the topics of biodiversity, land competition, deforestation, climate change, microplastics and water scarcity.

Methodologically, Martin works with ecological sustainability assessments such as the life cycle assessment (LCA), the water footprint, the greenhouse gas balance or the natural capital assessment. He also deals with sustainability methods that go beyond the environmental area, such as social and economic sustainability assessments (LCC, SLCA, LCSA).

Martin has been with Sustainable AG since 2022.

Studied B.Sc. Environmental Science at the Open University, UK, and M.Sc. Land Reclamation and Restoration at Cranfield University, UK.

Eric has supported companies at Soil & More Impacts since 2019 in greenhouse gas accounting and the development of emission reduction and carbon sequestration scenarios, particularly in relation to agricultural value chains. From 2020 until the merger with sustainable AG, he coordinated the area of greenhouse gas accounting and insetting.

As a senior consultant at sustainable, he supports companies in balancing their corporate and product emissions and in setting SBTi targets. His focus is on the calculation of supplier-specific emission factors by collecting and evaluating primary data from agricultural and processing companies.

In addition, he holds workshops on the potential of carbon farming and the requirements and opportunities that arise for companies with agricultural value chains through standards such as SBTi FLAG and the GHG Protocol Land Sector and Removals Guidance.

Eric Kowalewski has been with Sustainable since 2022.

PhD in soil science/geography at the University of Kiel. Dissertation on the recording of soil changes and damage in the BDF soil monitoring network in Schleswig-Holstein. Studied geography with a focus on soil science and forest ecology at the Technical University of Dresden.

Multi-year professional experience as a project manager and R&D manager in the fields of nature-based solutions, soil carbon, soil fertility, climate resilience, regenerative agriculture and agroforestry.

Rainer leads the development of customized products, models and projects based on current scientific principles. His focus is on carbon storage in soil and biomass and how it can be captured in climate protection projects. Rainer uses his practical experience with farmers and local organizations to implement such projects in a long-term and feasible manner.

Another area of work is the planning and implementation of international on-site sampling campaigns as part of MRV or soil fertility assessments, often combined with on-site training for sustainable agriculture measures.

Rainer has been with Sustainable since 2014.

Diploma in Business Informatics from the University of Regensburg.

Felix has been advising industrial companies, project developers and investors on CO2 markets and climate strategies since 2003. He uses his many years of practical experience in supporting plant operators in the European emissions trading system to develop strategies for dealing with CO2 costs together with clients. Felix has accompanied numerous climate protection projects with certification according to international standards (CDM, JI, Gold Standard) and developed new methods for them. He develops climate strategies based on greenhouse gas balances of companies and products and advises clients on the opportunities and risks of carbon markets. Felix held a management position in a leading consulting firm where he expanded the international project business, including the establishment of a branch office in Turkey. Felix oversees climate strategy projects and business development related to climate change solutions in agriculture and natural carbon sinks.

Felix has been with Sustainable since 2023.

Studies in Sustainable Management (M.Sc.) at the University of Ulm and Philosophy & Economics (B.A.) with a focus on business ethics at the University of Bayreuth and the Universidad de Costa Rica (UCR). Master's thesis on "Development of a structured methodology for materiality analysis for the ZEISS Group".

Laura has over 3 years of experience in strategic project management for digital transformation of an NGO. She also gained practical experience in sustainability management of various companies in the private and public sector as well as in CR consulting.

Her focus at Sustainable is the development and implementation of sustainability and climate strategies. This includes carrying out materiality analyses, calculating greenhouse gas emissions and developing climate targets. She also supports companies with the implementation of the EU taxonomy.

Laura has been with Sustainable since 2022.

Studied Environmental Sciences and Business Psychology (B.Sc.) at Leuphana University in Lüneburg and Life Science Economics (M.Sc.) at the Technical University of Munich.

Kim worked for two years at the PR agency GlobalCom PR Network in the field of IT and renewable energies and was also an editor and writer for the non-profit online magazine CleanEnergy Project. She was then a working student at DFGE - Institute for Energy, Ecology and Economy in the area of climate strategy and an intern at PwC in the area of sustainability services.

Her focus at Sustainable is on supporting the development and implementation of climate strategies and advising on the implementation of corporate carbon footprints.

Kim has been with Sustainable since 2020.

Studied B.A. Leisure and Tourism Management at Stralsund University of Applied Sciences with a focus on Sustainable Tourism and Marketing, M.A. Sustainable Development Cooperation at TU Kaiserslautern with a focus on sustainability in economic processes. Semester abroad at the Montpellier Business School in France and the University of Nicosia, Cyprus.

Fiona has many years of professional experience in corporate sustainability management, most recently with a focus on the aviation industry. In her role as project manager, her core tasks included the development of sustainability and climate protection strategies, the (further) development of sustainability reporting and sustainability communication.

The focus at Sustainable is on the development and implementation of sustainability strategies along the entire value chain - with a focus on materiality analyses and reporting standards in accordance with the CSRD.

Fiona Starke has been supporting Sustainable since 2024

Studied environmental engineering at RWTH Aachen University with a focus on environmental process engineering in the Master's program. Semester abroad at the National University of Singapore. Internship and Master's thesis at the Research Center Jülich on synthetic fuels, internship at the United Nations Development Programme in Jakarta, Indonesia, on climate protection projects. More than 3 years of experience in strategy consulting with a focus on the chemical, process and energy industries.

Fiona's focus at Sustainable is the development and implementation of sustainability and climate strategies. This includes conducting materiality workshops, environmental and benchmark analyses, as well as balancing and monitoring emissions (Scope 1-3) in accordance with the GHG Protocol and defining targets, KPIs and measures to achieve them. She also supports companies in implementing the EU taxonomy and developing circular economy strategies.

Fiona has been with Sustainable since 2021.

Bachelor's degree in Economics at the Ludwig-Maximilians-Universität München with a semester abroad at the University of Sydney and a Master's degree in Economics at the Universtat Autonoma de Barcelona.

Verena has several years of professional experience at ClimatePartner GmbH. There she worked in customer consulting for the food industry and later in the Research and Development team. In client consulting, her focus was on creating carbon footprints and developing climate strategies. In the Research & Development team, she promoted the development of topics and know-how (e.g. development of GHG calculation models or the development of new standards) as well as knowledge transfer.

The focus at Sustainable is on agricultural solutions. Verena supports companies in GHG accounting and the collection and evaluation of primary data from agricultural businesses. She also supports the development and implementation of climate strategies and agricultural insetting projects.

Verena has been with Sustainable since 2023.

Master's degree (M. Sc.) in Sustainable Corporate Management at the University of Ulm with a semester abroad in Bologna, Italy. Focus during studies on life cycle assessments and sustainable consumption patterns. Prior to this, part-time Bachelor's degree (B.A.) in Business Administration at the FHM in Bielefeld. After completing her master's degree, worked as a consultant for an environmental service provider with a focus on corporate and product carbon footprints.

Jan gained practical experience during his training as an industrial clerk and through various activities at Dr. August Oetker Nahrungsmittel KG.

The focus at Sustainable is the development and implementation of climate strategies as well as consulting on corporate and product carbon footprints (CCF & PCF).

Jan has been with Sustainable since 2023.

Studied B.Sc. Environmental Sciences at the University of Freiburg i.Br., as well as M.Sc. Environmental Modeling at the University of Oldenburg and the Stockholm Resilience Centre (SRC) in Sweden.

Experience (since 2016) in life cycle assessment of mainly agricultural products and the (further) development of calculation tools within her practical work, among others in sustainability consulting at Rifcon GmbH and as a junior scientist at ifeu gGmbH.

Clara's focus at Sustainable is on GHG accounting at company and product level (CCF and PCF) in accordance with the GHG Protocol, as well as Life Cycle Assessment (LCA). Her focus is on the collection and evaluation of primary data from agricultural businesses. She also supports the development and implementation of climate strategies (especially SBTi) and agricultural insetting projects.

Clara previously worked at Soil & More Impacts and has been supporting Sustainable with her expertise since 2022.

Studied B.Sc. Mathematics at the TU Darmstadt with a focus on numerics and psychology as a minor subject and M.Sc. Mathematics at the TU Darmstadt with a focus on statistics.

Olivia gained practical experience as part of an internship at HBA-Consulting with a focus on the digitalization of rate calculation for certain life insurance products and by working on strategic projects at Archery Strategy Consulting.

Her focus at Sustainable is the development and implementation of climate strategies. This includes the recording of corporate and product carbon footprints (CCF & PCF) as well as the identification of climate targets and their implementation.

Olivia has been with Sustainable since 2023.

Bachelor's degree in Management (B.Sc.) at the University of Witten/Herdecke with a stay abroad in Prague. Subsequent Master's degree in Environmental Management & Policy (M.Sc.) at Lund University in Sweden with a focus on interdisciplinary approaches to solving complex environmental challenges from a policy and management perspective.

Leon gained practical experience in the field of sustainable finance during his training as a banker and as a customer advisor at GLS Bank. He also gained experience in sustainable supply chain management as part of an internship at Sustainable.

His focus at Sustainable is on the development and implementation of holistic sustainability strategies within organizations, but also along their value chains.

Leon has been with Sustainable since 2023.

Studied economics (B.A.) with a focus on sustainability and management at Zeppelin University in Friedrichshafen and at Fairleigh Dickinson University in the USA. Degree in Human Decision Science (M.Sc.) at Maastricht University in the Netherlands with a focus on behavioral economics and sustainable innovation management.

Clara gained practical experience in Germany at the Hessische Landesbank and the management consultancy Consileon, as well as in Madagascar with the NGO Reefdoctor.

Her focus at Sustainable is on calculating corporate carbon footprints, developing and implementing science-based climate strategies in accordance with SBTi, and providing advice on the evaluation and procurement of CO2 certificates.

Clara has been with Sustainable since 2021.

Studied B.Sc. Industrial Engineering/Environmental Planning at the HS Trier-Birkenfeld, M.Sc. Sustainable Development at the HS Bochum with a focus on the transformation of renewable energy sources.

Christopher has several years of professional experience in project management of large-scale construction projects (high-voltage power lines, S-Bahn electrification). He gained further experience as a climate protection manager in a medium-sized city.

The focus at Sustainable is on advising industrial companies covered by EU emissions trading, climate accounting and the development and implementation of climate strategies.

Christopher Claus has been with Sustainable since 2024.

Bachelor's degree in Management of Social Innovation (BA) at the University of Applied Sciences Munich. Until 05/2025 part-time MBA studies with a focus on Sustainability, Innovation and Leadership at the Tomorrow University of Applied Sciences.

Lina has more than 3 years of experience in key account and innovation management as well as strategic project management in a social enterprise. Before that, she gained practical experience in her dual education as well as assignments in marketing and sustainability management at the BMW Group and Siemens AG.

Lina has been with Sustainable since 2023.

B.A. in Business Economics at the University of Witten/Herdecke with a stay abroad at the Universita Tor Vergata in Rome, specializing in Management & Strategy. Bachelor thesis on the topic: "Sustainability potentials through digitalization as an opportunity for companies" Master's degree in Life Cycle & Sustainability (Msc.) at Pforzheim University. Steffen wrote his master's thesis in cooperation with Sustainable on the topic: "Carbon footprinting of product portfolios through the allocation of GHG emissions of the corporate carbon footprint".

His main focus at Sustainable is greenhouse gas balancing and the development of climate strategies. Another focus is on life cycle assessments and PCFs.

He gained practical experience as an intern and working student at Sustainable, as a corporate controller at ARDEX GmbH and as a business developer at the start-up Kesselheld GmbH.

Steffen has been with Sustainable since 2021.

Studied M.Sc. and B.Sc. Management and Technology with a focus on Economics & Policy and Power Engineering at the Technical University of Munich, the Universitat de Barcelona and Boğaziçi Üniversitesi Istanbul.

Paul gained practical experience during internships in sustainability strategy development at KPMG and BMW. He also worked as a student trainee at the Research Center for Energy Economics (FfE) during his studies, where he researched the environmental impact of electromobility.

Sustainable focuses on the development and implementation of climate strategies and advising companies on the EU Taxonomy and CSRD.

Paul has been with Sustainable since 2023.

Bachelor's degree (B.A.) in Sociology, Politics & Economics at Zeppelin University with a semester abroad in Ghent (Belgium) and an internship abroad in Brussels (Belgium). Subsequent Master's degree (M.Sc.) Management of Innovation at Erasmus University Rotterdam with a focus on Innovation Strategy, Circular Economy and Leadership and a semester abroad at Sciences Po Paris with a focus on Sustainability Management.

Katharina gained practical experience in auditing and in innovation management at a leading automotive group with a focus on sustainable solutions for the production process. She has also worked in sustainability consulting, where she was responsible for projects on ESG reporting and governance, among other things.

Sustainable focuses on supporting the development and implementation of sustainability strategies, with a focus on double materiality analyses and preparing companies for CSRD reporting requirements.

Katharina Gröne has been with Sustainable since 2024.

Bachelor's degree in Economics (B.Sc.) and Political Science (B.A.) at the University of Innsbruck in Austria with a stay abroad in Seville. Then Master's degree in Applied Economics (M.Sc.) at the University of Innsbruck with a stay abroad in Brussels. Study focus on environmental and development economics, among others.

Theresa gained practical experience in development cooperation with various NGOs and in climate policy consulting at GIZ.

Her focus at Sustainable is on supporting the development and implementation of climate strategies and advising industrial companies covered by EU emissions trading.

Theresa has been with Sustainable since 2022.

Studied psychology and neuroscience (B.Sc., M.Sc.) at Ludwig-Maximilians-Universität, trained as a certified systemic coach at the Institute at the University of Cologne and completed further training as an environmental and sustainability manager.

Daniela has several years of experience in management consulting and organizational development. As an innovation coach at etventure (EY) and subsequently at INCLUSIFY AG (ACP) her role was to strategically and operationally enable various organizations in the context of business transformation projects. Daniela led projects with a focus on new work and innovation topics (design thinking, agile working, modern workplace) and on digitalization (introduction of new technologies e.g. extended reality, digital strategy). Daniela has also gained experience in internal organizational and cultural development in the form of consulting for the Management Board, establishing participation formats and change communication. She gives workshops and lectures on climate psychology and resilience on a voluntary basis. 

Daniela's focus at Sustainable is on Sustainable Transformation for the central anchoring of sustainability in companies. This includes enabling the implementation of sustainability strategies and setting up corresponding change processes as well as designing sustainable innovation processes.

Daniela has been with Sustainable since 2024.

Studied B.Sc. in Business Informatics at the Technical University of Munich, followed by an M.Sc. in Sustainability Sciences at Leuphana University Lüneburg.

Since 2013 freelance software engineer. He has developed web & mobile apps and websites for various IoT start-ups. He wrote his master's thesis on the topic: "Sustainability in agriculture: A text mining approach to gain insights from practitioners' internet communities". Since 2020, he has been supporting sustainable in digitally supported consulting projects and impact assessments.

The focus at sustainable is on the technical support of large-scale impact assessments and the development of tools for advisory projects in the areas of climate and agri-food supply chains.

Vitus has been with sustainable since 2020.

B.Sc. in Biosciences at the University of Münster with bachelor thesis in the field of crop biotechnology. M.Sc. in Industrial Ecology (system-oriented sustainability sciences) at TU Delft and Leiden University (joint degree, Netherlands). Master thesis Life Cycle Assessment (LCA) of alternative polyester production routes in cooperation with ON (Swiss running shoe manufacturer). Focus on Life Cycle Assessment (LCA), sustainable product and strategy design, environmental biotechnology, circular economy.

Luise gained practical experience during her internship as a consultant at concern GmbH with projects on corporate digital responsibility, operationalization of corporate social responsibility (CSR) indicators, strategies for animal welfare and regionality, corporate values.

Her focus areas at Sustainable are Product Carbon Footprint (PCF) and Life Cycle Assessment (LCA).

Luise has been with Sustainable since 2023.

Bachelor's degree in Philosophy and Economics at the University of Bayreuth with stays abroad in Canada and Finland. Then double degree with the following sections: Environmental Leadership and Management (M.Sc.) at the University of Nottingham and European Economics (M.Sc.) at the University of Tübingen. The focus was on climate change and climate tariffs.

As a sustainability manager at the start-up everdrop, Clara gained experience in recording corporate carbon footprints (CCF), creating life cycle assessments, developing a sustainability strategy and in sustainability communication.

Her focus at Sustainable is the development and implementation of climate strategies. This includes the recording of corporate and product carbon footprints (CCF & PCF) as well as the identification of climate targets and their implementation.

Clara Leitz has been with Sustainable since 2023.

Bachelor's degree in Energy Economics (B.Sc.) at Biberach University of Applied Sciences with a stay abroad in The Hague. Master's degree in Sustainability Economics and Management (M.A.) at the Carl von Ossietzky University of Oldenburg.

Thomas gained practical experience at the energy supplier illwerke vkw in the field of electromobility and at nRole Lernen für nachhaltiges Wirtschaften GmbH.

The focus at Sustainable is on supporting the development of sustainability and climate strategies.

Thomas has been with Sustainable since 2023.

Bachelor's degree in Socioeconomics (B.A.) with a focus on Economics at the University of Hamburg. M.A. degree in International Affairs at the Hertie School in Berlin with a focus on Finance & Trade. Master's thesis on the effects of a CO2 tax on household incomes.

Experience in project management, including in the energy sector at the transmission system operator TenneT, and as a sales & account manager in green electricity trading with guarantees of origin at Bischoff & Ditze Energy GmbH.

The focus at Sustainable is on supporting the development and implementation of climate and sustainability strategies. This includes the collection, balancing and monitoring of Scope 1, 2 and 3 greenhouse gas emissions as well as advice on the development of climate targets and their implementation paths.

Lea Lüdemann has been with Sustainable since 2024.

Studied B.Sc. in Business Administration at the University of Mannheim and Carlos lll de Madrid. Bachelor thesis on the topic: "Principal-Agent models in reverse/closed-loop sypply chains under asymmetric information". Master's degree (M.Sc.) Sustainable Resource Management at the Technical University of Munich with a focus on renewable resources and energies and material and waste management. Master's thesis on "Business ecosystems through strategic partnerships: towards holistic home energy systems".

Kristina gained practical experience at Hugo Boss and Mercedes AG in the field of sustainable supplier management and supplier audits. She also developed her expertise in the field of renewable resources and energy at acatech and umlaut energy.

Her focus at Sustainable is the anchoring of sustainability in the procurement strategy, the design of sustainable supply chains, as well as the implementation of the Supply Chain Duty of Care Act.

Kristina has been with Sustainable since 2023.

After studying environmental engineering at the HAW-Hamburg with a focus on environmental assessment and ecotoxicology, she gained her first experience in the field of chemicals management (REACh regulation).

At Soil&More Impacts, she has been immersed in the world of greenhouse gas balancing since 2020 - mainly in the agricultural and food sector based on primary and secondary data.

Julia's focus at Sustainable is on greenhouse gas accounting of products, events and companies (Scope 1-3) for the agriculture and food sector. She calculates carbon sequestration potentials in the agricultural context and develops sustainability and climate strategies for regenerative agriculture. She also provides support with water footprints, true cost accounting and the implementation of science-based targets.

Julia has been part of Sustainable since 2022.

Studied B.A. International Cultural & Business Studies at the University of Passau with a focus on politics, history and intercultural communication. M.Sc. at Leiden University in The Hague in Governance of Sustainability.

Felix gained political and technical knowledge in the field of climate policy during his freelance work in political communication in the European Parliament with the Greens EFA. During his time in the Parliament during the final voting phase of the Green Deal, he focused on taxonomy, the new ETS2 and sustainable mobility. As a student consultant at Metabolic, Felix took a closer look at the circular economy and its automated measurement.

The focus at Sustainable is on the development and implementation of sustainability and circular economy strategies.

Felix Narr has been with Sustainable since 2023.

Rebecka studied organic farming at the University of Kassel/Witzenhausen and agribusiness at the University of Göttingen.

She grew up on a farm, which she has now taken over as a sideline. She implements many sustainable farming practices on her farm and can bring this experience to her work as a consultant. She previously worked in agricultural policy and international grain markets.

Rebecka forms the interface between sustainability issues and practical agriculture at Sustainable. She carries out projects on agricultural carbon footprinting, true cost accounting and impact assessments on climate risks. She also calculates carbon footprints at company and product level.

Rebecka previously worked at Soil & More Impacts and has been supporting Sustainable with her expertise since April 2022.

Studied B.Sc. in International Business Administration at the Eberhard Karls University of Tübingen, specializing in Financial Accounting and International Business. Studied M.Sc. in Management at the Friedrich-Alexander University Erlangen-Nuremberg, specializing in strategic management and digital value creation. Stay abroad in the USA at the UConn School of Business. Master's thesis on the topic: "How green technologies enable new business models in the process industry".

She gained practical experience in auditing, regulatory affairs and app product management. As a working student at REHAU Automotive, she worked in sustainability management.

Her focus at Sustainable is on supporting the development and implementation of climate strategies and advising on the implementation of corporate carbon footprints.

Jennifer has been with Sustainable since 2023.

Bachelor's degree in International Relations and Management at OTH Regensburg, with stays abroad at the University of Ljubljana (Slovenia), an internship at Infopro Digital in Paris and at the German Institute Taipei. Subsequently, Master's degree in Sustainable Resource Management (M.Sc.) at the Technical University of Munich with a focus on renewable resources and sustainable landscape planning.

Furthermore, Antonia gained practical experience in the conception of nature-based solutions for the City of Munich at the Chair of Strategy and Management of Landscape Development at the Technical University of Munich.

The focus at Sustainable is on supporting the development and implementation of climate strategies. This includes the collection, balancing and monitoring of greenhouse gas emissions from Scope 1, 2 and 3 as well as advice on the development of climate targets and their implementation paths.

Antonia has been with Sustainable since 2023.

Bachelor's degree in Sustainable Management (B.Sc.) at the Technical University of Berlin with a focus on sustainable business models. Followed by a Master's degree (M.Sc.) in Innovation Management, Entrepreneurship & Sustainability at TU Berlin with a focus on circular business models and value mapping for new business opportunities.

The focus at Sustainable is on the development, analysis and implementation of sustainability strategies. This includes the entire strategy process, the materiality analysis, the analysis of stakeholder requirements and market potential as well as the consideration of relevant regulations. Following on from this, the focus is on ESG data management.

Carla gained practical experience as a consultant for sustainability strategies and ESG data management as well as the development of sustainable services in an in-house accelerator. She also gained experience as a student assistant in the "Transfer Science" research project at TU Berlin and Fraunhofer CeRRI and in sustainability management at an international company.

Carla has been with Sustainable since 2023.

Master's degree in Communication Management at Leipzig University (M.A.) with a master's thesis on the typologization of consulting services. Studied Public Relations / Crossmedia Editing at the Stuttgart Media University (HdM) (B.A.) with a focus on corporate communications.

 Julian supported one year in the sustainability department of Otto Group in the development of the sustainability strategy and the preparation of the sustainability chapter for the annual report. Julian also completed a traineeship at the PR and marketing agency fischerAppelt, where he worked for a total of 4 years in communications consulting with a focus on B2B clients for industry, retail, and the energy and digital industries.

 At sustainable, Julian focuses on the development of sustainability strategies and sustainability management. He manages sustainability communication projects and is responsible for reporting according to CSRD and GRI.

 Julian has been with sustainable since 2023.

Bachelor's degree in Mechanical Engineering at the Technical University of Darmstadt with two semesters abroad at the University Center in Svalbard in Longyearbyen, Norway. Master's degree in Industrial Ecology at the Norwegian University of Science and Technology in Trondheim, Norway, with a focus on climate science and Life Cycle Assessment (LCA).

Paul has gained several years of experience in the creation and optimization of LCAs as well as product and corporate carbon footprints during his work at iPoint-systems GmbH. In projects for major national and international companies in the electronics and automotive industries, he also drove forward the automated creation and validation of LCAs.

At Sustainable, Paul works in the Product Strategy team, where he continues to support companies in the creation of LCAs and product or corporate carbon footprints. He also advises them on the development and implementation of potential improvements.

Paul has been with Sustainable since 2023.

Bachelor's degree in International Business (B.Sc.) including Honors College (B.A.) at the University of Groningen in the Netherlands. Then Global Business & Sustainability (M.Sc.) at the Rotterdam School of Management, also in the Netherlands, with a period abroad in Milan, Italy. Study focus on circular economy, energy management, among others.

Finn gained practical experience through his training as a banker at VR Bank Neumünster eG and in the sustainability department at Tchibo GmbH.

His main focus at Sustainable is the development and implementation of climate strategies, particularly in the financial sector. This includes conducting materiality analyses, calculating greenhouse gas emissions and developing climate targets.

Finn has been with Sustainable since 2023.

Studied Advertising and Market Communication (B.A.) at the Stuttgart Media University and Sustainability & Responsible Management (M.Sc.) at the University of Applied Sciences BFI Vienna. Master's thesis in the field of CO₂-balance of advertising campaigns.

Eva gained experience in the development of a climate strategy including CO₂ balance sheet & implementation of measures for a media agency.

Eva's focus at Sustainable is on the development and implementation of sustainability strategies, especially in supporting materiality analyses and the development of communicative elements and sustainability reports.

Eva has been with Sustainable since 2023.

Studied physics (B.Sc., M.Sc.) at the LMU in Munich. Studied abroad at the PUCV in Chile. Various courses and part-time jobs in the field of renewable energies, sustainability and climate change. Doctorate in astronomy (Dr. rer. nat.) with Prof. Harald Lesch.

Many years of professional experience as a science journalist and communicator of scientific topics, including as a member of the ZDF science and technology editorial team with video formats such as "Leschs Kosmos" and the YouTube channel "Terra X Lesch & Co". Experience in project management through research work and collaboration on an educational program on climate change.

The focus at Sustainable is on supporting the development and implementation of climate strategies. This includes balancing and monitoring greenhouse gas emissions (Scope 1, 2 and 3) and advising on the development of climate targets and their implementation paths (top-down target development, bottom-up potential analysis, scenario modeling).

Marco Smolla has been with Sustainable since 2023.

B.Sc. in Agricultural Sciences and M.Sc. in Developing Economics with a focus on rural development and quantitative economics at the Georg-August-Universität Göttingen and Stellenbosch University (South Africa).

Jakob gained practical experience as a research assistant at the University of Göttingen at the Department of Agricultural Economics and Rural Development. Various internships at the KfW Development Bank in the team "Environment and Climate in Southeast Asia", at the International Fund for Agricultural Development (IFAD) in the team for environment and climate change adaptation and at the Gesellschaft für Internationale Zusammenarbeit (GIZ) in the sector project for rural development.

His focus at Sustainable is on agricultural solutions.

Jacob has been with Sustainable since 2023.

Studied B.Sc. in Industrial Engineering at the Technical University of Berlin, specializing in mechanical engineering. Studied M.Sc. in Industrial Engineering at the Technical University of Berlin, specializing in Energy and Resources. Stay abroad at the Toulouse Business School. Master's thesis on the topic: "Status Quo and Quo Vadis Sustainability Reporting in the MDAX".

She gained practical experience during an internship at a wind farm project developer and as a working student at the German Energy Agency in the Renewable Energies team.

The focus at Sustainable is on supporting the development and implementation of climate strategy and management approaches. This includes the collection, balancing and monitoring of greenhouse gas emissions (Scope 1, 2 and 3) and advice on the development of climate targets and their implementation paths (top-down target development, bottom-up potential analysis, scenario modeling).

Johanna has been with Sustainable since 2023.

Studied corporate environmental management at the University of Jyväskylä in Finland with a focus on carbon and water footprints.

Anna has several years of practical experience in project management for the development of materiality analyses and, based on this, the development of sustainability strategies and sustainability reports.

Anna's focus at Sustainable is on advising on the implementation of corporate and product carbon footprint (CCF & PCF) calculations and supporting the development and implementation of climate strategies.

Anna has been with Sustainable since 2022.

Studied European Studies (B.A.) at the University of Maastricht with a stay at Sciences Po Bordeaux. Subsequent Master's degree in Politics & Technology (M.Sc.) at the Technical University of Munich. Main areas of study include strategy, energy policy and economics.

Jan gained practical experience as a working student at Stadtwerke München in mobility strategy. He also worked as an intern and working student at FTI Consulting in the Public & Government Affairs department.

His focus at Sustainable is on the development and implementation of climate strategies, particularly in the energy sector.

Jan has been with Sustainable since 2024.

B.Sc. in Environmental Sciences at the University of Tübingen with a Bachelor's thesis on quantifying the effects of El Niño and La Niña cycles on precipitation and temperatures in Chile. Erasmus semester at the University of Gothenburg. M.Sc. Bioeconomy at the University of Hohenheim with a master thesis on machine learning approaches for predicting nitrous oxide emissions in arable farming. Research stay as Visiting International Research Student at the University of British Columbia (Canada) on the topic of Carbon Capture and Storage.

Gregor gained practical experience during internships and working student activities, e.g. at myclimate in the areas of Product Carbon Footprints (PCFs) and LCAs. He also worked in a start-up company as an Environmental Impact Analyst, where he developed a dynamic tool for calculating carbon footprints.

At Sustainable, Gregor works in the Product Strategy team and prepares life cycle analyses (LCA), product carbon footprints (PCFs) and corporate carbon footprints (CCFs).

Gregor Gnisia has been with Sustainable since 2024.

Franziska completed her Master's degree at the University of Mannheim in Management (M.Sc.) with a focus on sustainability. During her studies, she focused on climate strategies and climate management and wrote her master's thesis on climate compensation. In addition to her studies, she has already gained experience in the implementation of sustainability strategies and CSRD implementation as well as greenhouse gas accounting in industry.

The focus at Sustainable is on the development and implementation of climate strategies and greenhouse gas accounting.

Franziska Ittenbach has been with Sustainable since 2024.

Studied Environmental Sciences (B.Sc.) at Leuphana University Lüneburg and Sustainable Business & Innovation (M.Sc.) at Utrecht University with a focus on identifying sustainability challenges, strategy development and sustainability innovation.

Julia gained practical experience as a research assistant at Utrecht University in a project on the circular economy in the healthcare sector and at Roland Berger in the field of energy transition and climate adaptation.

Her focus at Sustainable is on the development and implementation of climate strategies, the recording of corporate and product carbon footprints (CCF &PCF) as well as the identification of climate targets and their implementation.

Julia Mayer has been with Sustainable since 2024.

Two-subject Bachelor's degree in Political Science & Ethnology (B.A.) at Martin Luther University in Halle (Saale). Degree in International Security Management (M.A.) at the Berlin School of Economics and Law.

Véronique gained practical experience in the Circular Economy Initiative of the Federation of German Industries (BDI). Her focus here was on the European Packaging Ordinance (PPWR). Other topics included support for the CSRD, right-to-repair, end-of-life vehicle and eco-design regulations as part of the initiative. In German legislation, she took part in the Chancellery's "Alliance for Transformation" process and monitored the National Circular Economy Strategy (NKWS).

Her focus at Sustainable is on the development and implementation of sustainability and circular economy strategies.

Véronique Möller has been with Sustainable since 2024.

Studied B.A Corporate Management & Economics at Zeppelin University with a stay abroad at the Universidad Rey Juan Carlos in Madrid. Currently M.Sc. Management & Entrepreneurship with a focus on Sustainable Management & Change at Leuphana University.

Julika worked as a student trainee for 1.5 years in the sustainability department of the Otto Group on topics such as employee empowerment and sustainable customer consumption. She also gained experience in idea management and tariff evaluation at BMW and at the strategy start-up we.think.

Her focus at Sustainable is on sustainable change and the implementation of sustainability transformation projects.

Julika has been with Sustainable since 2023.

Studied M.A. Political Science at LMU Munich with a focus on International Relations and Sustainability Policy. Ludwig also completed his minor in law with a focus on labor law and international law as well as a semester abroad at Seoul National University in South Korea.

Ludwig gained practical work experience in the field of social sustainability at earthlink e.V. and municipal environmental policy at BUND-Naturschutz in Bayern e.V., as well as in change management and the creation of PCFs at Breitenstein Consulting.

The focus at Sustainable is on GHG balancing and the development and implementation of climate strategies.

Ludwig Prischenk has been with Sustainable since 2023.

Studied B.Sc. Oecotrophology at Fulda University of Applied Sciences, M.Sc. Applied Sustainability at Bochum University of Applied Sciences. Master's thesis on sustainable carbon footprints for daily nutrition.

Professional experience as a research assistant at the Wuppertal Institute in the fields of agriculture/nutrition and impact assessments and as a sustainability manager at a medium-sized company in the ultra-fresh convenience sector. There she was responsible for developing a sustainability strategy, calculating the corporate carbon footprint and preparing for the Corporate Sustainability Reporting Directive (CSRD).

Pauline's focus at Sustainable is on the implementation of the Corporate Sustainability Reporting Directive (CSRD), in particular materiality analysis and biodiversity.

Pauline Schekira has been with Sustainable since 2024.

B. Sc. in Industrial Engineering and Management with a focus on Materials Resource Management and M.Sc. with a focus on Management and Sustainability at the University of Augsburg with a stay abroad at the School of Public and Environmental Affairs at Indiana University Bloomington. His theses dealt with the analysis of commodity indices and the influence of ESG scores on corporate resilience.

His professional career began with internships in IT auditing at a Big 4 company before he moved to project purchasing and project quality management at an automotive OEM. Parallel to his Master's degree, he gained experience as a working student in innovation management at a medium-sized company in the transmission and plant engineering sector. Most recently, he worked as a student trainee at Accenture, where he joined the engineering and management consulting team as a full-time employee after graduating. There, he advised transmission system operators and charging infrastructure operators on digital transformation projects, supported the restructuring of the documentation management department, optimized processes and evaluated the charging infrastructure for electric vehicles in Europe.

His focus at Sustainable is on the evaluation and implementation of software solutions to promote sustainable business processes and ESG data management.

Kilian Wörnle has been with Sustainable since 2025.

Studied economics M.A. with a focus on hospitality management at Munich University of Applied Sciences.

Several years as a project manager and project leader in Sales & Event Management; supervision of national and international projects; development, implementation and monitoring of administrative and operational standards.

At Sustainable, Anja supports projects in the Climate Strategy & Sustainable Finance and Climate Strategy & Accounting teams, in Office and Event Management.

Anja has been with Sustainable since 2023.

Apprenticeship as an Industrial Clerk and further qualification as a Certified Business Administrator.

Pia is currently completing a part-time Bachelor's degree in Sustainability Management (B.A.).

Pia brings many years of professional experience in customer service, partner management and operations management across various industries.

In her current role, she concentrates on process management, contract management and providing support to our consulting teams.

Pia joined Sustainable in 2026.

Studied B.A. Business Psychology at the FHAM Erding with a focus on work and organizational psychology, part-time M.A. Business Psychology with a focus on personnel development at the TU Kaiserslautern.

Jessica has many years of professional experience in HR Training & Learning in relation to various development programs, cultural topics and the mentoring of young talents.

The focus at Sustainable is on the development and implementation of personnel development measures.

Jessica Hecker has been with Sustainable since 2023.

Studied psychology at the Fresenius University of Applied Sciences in Munich.

Katharina is responsible for recruiting and has been with Sustainable since 2022.

Studied B.A. in Economics at the Justus Liebig University Giessen, specializing in Business Economics and Master's degree in Business Administration at the Otto von Guericke University Magdeburg.

She gained practical experience in the department for technical, industrial trainees at Bosch Thermotechnik GmbH and in the HR department at Hermes Fulfilment GmbH, among others.

The focus at Sustainable is on employee support.

Lisa has been with Sustainable since 2023.

Dual training as a retail specialist at Peek & Cloppenburg KG and subsequent B.Sc. studies in business psychology at the University of Applied Sciences for Economics & Management in Cologne, with a focus on personnel development and health psychology.

As deputy head of department, she worked at P&C and was Recruiting & HR Manager (HR department) at arano group GmbH.

Her focus is recruiting & employer branding.

Julika has been with Sustainable since 2023.

B.A. in Business Administration with a focus on International Business and Marketing. Semester abroad in Marketing at the Nelson Mandela University in Port Elizabeth, South Africa. M.A. in Leadership for Sustainability at the University of Malmö, Sweden. Master's thesis on stakeholder management as a tool for the implementation of sustainable supply chains.

Study-related professional experience in sales, customer relationship management and marketing in the consumer goods sector, including at Froneri Schöller GmbH and in publishing at Gruner + Jahr.

Most recently, several years of professional experience within the photovoltaic industry at Memodo GmbH, working in B2B sales and in comprehensive consulting on photovoltaic systems, electricity storage, charging solutions and heating systems.

The focus at Sustainable is on the further expansion of sales activities and customer management.

Theresa has been with Sustainable since 2024.

Sophia holds a B.Sc. in Psychology from the University of Hagen and a B.A. in Business Administration from the TH in Nuremberg, where her focus was on marketing and sustainability. She then completed an M.A. in Marketing and Online Communication in Munich, specializing in business start-ups.

With many years of professional experience in marketing, especially in content and social media marketing with a focus on sustainability, Sophia has extensive expertise. She has also gained experience working with sustainable start-ups and has worked as a freelancer in the field of social media marketing.

The focus at Sustainable is on content marketing.

Sophia has been with Sustainable since 2024.

Bachelor's and Master's degree in Sports Economics at the University of Bayreuth with a focus on Marketing & Services and a stay abroad at the University of Lisbon, Portugal.

During her studies, Anna gained practical experience in the areas of marketing, communication and sales at sporting goods manufacturers, a film and media agency, an event marketing agency and a sports club, among others.

The focus at Sustainable is on the development of Sustainable as a brand, as well as internal and external communication.

Anna has been with Sustainable since 2023.

Studies B.Sc. in Business Informatics at the Bavarian University of Applied Sciences. Bachelor thesis on the topic "Biometric verification options".

Mielad gained experience as a working student at Akzente Part of Accenture in IT (IT support and system administration).

The focus at Sustainable is on system administration and IT support.

Mielad has been with Sustainable since 2023.

Fachabitur in economics at the Eurokolleg Fachoberschule München.

The main focus at Sustainable is IT support.

Mihad has been with Sustainable since 2024.

Master's degree (M. Sc). at Volodymyr Dal University in Ukraine with a focus on business administration.

Olga previously worked as controller at Wind Park Ukraine GmbH, as senior controller at the private company Luhanskdruck Ukraine, and as Ccontroller at Commerzbank - Ukraine.

Her focus at Sustainable is the area of controlling.

Olga has been with Sustainable since 2023.

Studied business administration at the Otto-Friedrich University of Bamberg.

Barbara is responsible for finance and has been with Sustainable since 2015.

Klaudie is the good soul and a little all-rounder. She is the office manager and often puts everyone in a good mood with her laughter.

Klaudie has been with Sustainable since 2021.

Studied B.A. Multimedia Production, trained as a businesswoman in wholesale and foreign trade.

Long-term freelance work as a production assistant in film & television, import and export of sustainable textiles, customer service & sales. Self-employed dance teacher & event manager. Management assistant at soilandmore until 2021.

Her focus at Sustainable is office management at the Hamburg location, administration and management.

Marie has been with Sustainable since 2022.

Graduated as a master dressmaker at the Master School for Fashion in Munich.

Has worked in office management and as a personal assistant to the management since 1997.

Brigitte has been with Sustainable since 2011.

2023 graduated from the private grammar school Pindl in Regensburg.

After graduating from high school, Johannes worked at BMW for a total of 5 months to finance his travels, where he learned to persevere and work with colleagues under time pressure on the night shift in the paint shop.

On his trips to Thailand, Singapore and Japan, Johannes got to know people from all over the world, made contacts and was able to improve his language skills in English, Spanish and French.

As a dual student, Johannes gradually got to know all the departments at Sustainable and supported them in their work.

Johannes Wittmann has been with Sustainable since 2024.

In 2023, she graduated from the Martha-Fuchs-Schule (formerly the Berufliches Gymnasium für Gesundheit und Soziales der Beruflichen Schulen V) in Braunschweig.

After graduating from high school, Selina spent a few months in New Zealand and Australia as part of a work & travel program, during which time she was able to gain a lot of important experience and meet great people from all over the world. During this time, surrounded by almost untouched nature, her love of nature and her anticipation of studying sustainability and environmental management grew even stronger.

As a dual student, Selina is studying at Ssustainable and gradually gets to know all the departments and supports them in their work.

Selina Zedlitz has been with Sustainable since 2024.

Florian is a system administrator at Sustainable and co-founder of sustec UG. He has many years of experience in IT management and network administration.

Florian has been with Sustainable since 2010.

Studied hydrology and economics; doctorate on stochastic climate models at the University of Freiburg

Gereon has been working as a freelance consultant and moderator since 1994, primarily for medium-sized companies. Over the course of more than 25 years, he has repeatedly worked closely with colleagues and organizations, e.g. Hildegard Hamm-Brücher's Theodor Heuss Foundation (1997-1999), the St. Gallen Center for Futures Studies (1997-2007), adelphi consulting GmbH (2012-2019), the Fraunhofer Gesellschaft (since 2008), the Steinbeis Center for Municipal Consulting (since 2006) and with Sustainable since 2016.

Sustainable focuses on the design and moderation of innovation and change processes; scenario planning, technical support for climate risk assessments and the renewal of products, businesses and processes for climate adaptation.

Gereon has been on the Supervisory Board of Sustainable since 2022.

Studied social sciences at Heinrich Heine University Düsseldorf and Humboldt University Berlin. Studied Sustainability Leadership, University of Cambridge with a Master's degree. Completed 2-year journalistic traineeship.

Falko Müller works as a communications and campaign expert for Sustainable. Previously, he was climate protection manager for the City of Munich for over five years, where he developed and managed a long-term climate protection campaign to involve and motivate the city's residents. Before his time in Munich, he worked for the non-profit GmbH co2online in Berlin for four years as a project developer and project manager in the field of communication and campaigns.

Falko Müller advises companies, local authorities and institutions on how to communicate their climate and sustainability commitment internally and externally and make sustainability and climate protection transparent, tangible and understandable.

Falko has been working for Sustainable since 2018.