Jeff Gowdy

Jeff Gowdy is a thought leader and award winning practitioner in sustainability and CSR, particularly in the areas of reporting, goal setting, and materiality. He serves on the Boards of the One Eleuthera Foundation (OEF) and Energy Datametrics and teaches at Vanderbilt. He has led hundreds of sustainability projects, dating back to 2002, across all … Continued

Cristina Mendoza

Cristina Mendoza is an experienced strategy and sustainability consultant. Her particular expertise includes greenhouse gas accounting, sustainability reporting and strategic program development. Cristina is an expert advisor of the Associated Industries of Massachusetts (AIM) Sustainability Roundtable, Chair of the Environmental Business Council (EBC) Ascending Professionals Committee and Board Member and Strategic Planning Committee Co-Chair of … Continued

Heather Ruiz

Heather Ruiz applies her strong technical background to manage a wide variety of projects for Sustainserv’s corporate clients. Her areas of expertise include materiality assessments, data analytics, GRI reporting and sustainable supply chains. Heather joined the Sustainserv Boston office after receiving her bachelor’s degree in Facilities Planning and Management from Wentworth Institute of Technology. Prior … Continued

Sibylle Umiker

Having managed communications for major Swiss companies for about 20 years, Sibylle Umiker brings her experience and personal enthusiasm for precise language and efficient processes to all Sustainserv reporting services and client projects. Before joining Sustainserv, Sibylle worked for the Zurich Cantonal Bank and Emmi, Switzerland’s largest dairy, where she served as a communication specialist … Continued

Robert Bütler

Robert Bütler is a climate strategy enthusiast and believes in system thinking and applicable solutions. Before joining Sustainserv, he supported firms and governmental bodies in developing and implementing carbon and climate mitigation strategies. Previous experience also includes cutting-edge digitization projects in the financial sector. His client-driven approach helps companies implement multi-faceted strategy, monitoring, and reporting … Continued

Amanda Elkin

Amanda Elkin brings an extensive, multidisciplinary background in communications and publishing to her role as Senior Consultant. She has worked as a professional writer and editor for over 25 years, with a focus on environmental and social sustainability, and has supported the development of dozens of ESG reports. She holds a bachelor’s degree in psychology … Continued

Jennifer Gaussmann

Jennifer Gaussmann has about 15 years of experience in financial reporting in the capital market and advises companies on sustainability reporting and strategy development. Prior to joining Sustainserv, She worked as a financial analyst as well as for listed companies in financial market communications. In her position as Investor Relations Manager, she contributed to the … Continued

Sarah Jensen

Sarah Jensen supports companies in strategy development, materiality assessments and sustainability reporting. She works from a comprehensive perspective and has a strong personal interest in sustainability that has been enhanced through studies and work assignments in Denmark, Mexico, Bangladesh and Uganda. Prior to joining Sustainserv, Sarah worked for an organization that supports companies with expansion … Continued

Daniel Götting

Daniel brings experience in sustainability service, consulting, and tool development to his role at Sustainserv. He supports clients in sustainability strategies, sustainability reporting and materiality analyses. Previously, he gained experience at a global management consulting firm and a large online retailer. In his career, Daniel also founded an on-demand services startup. He holds a master’s … Continued

Cecilia Barnes

Before joining the Sustainserv team, Cecilia Barnes graduated from Middlebury College with a Bachelor of Arts in Psychology and a minor in Education Studies. While at Middlebury, Cecilia took a multitude of environmental studies classes. Her past experiences in crafting and presenting local sustainability legislation and serving on a sustainable procurement committee in college provide … Continued

Dario Schmid

Dario Schmid helps clients on their way to develop and implement climate and sustainability goals.

Judith Bisig

Judith Bisig supports companies in strategy development, materiality assessment and sustainability reporting.

Christoph Gau

Christoph Gau has a profound background in accounting and financial reporting and advises companies at the interface of financial and sustainability reporting. Before joining Sustainserv, he managed projects in the financial reporting department of a global healthcare & medtech company. Christoph brings his experience and motivation into the development of efficient reporting processes, capital allocation … Continued

Sasha Hagan

Before joining the Sustainserv team, Sasha Hagan graduated from The University of Miami Herbert Business School with a Master of Science in Sustainability Business. While at The University of Miami, Sasha was a member of The Green Grad Group and the Sustainable Business Club. She also worked with the American Red Cross to reduce plastic … Continued

Fabian Haumann

Fabian Haumann supports companies in the development and implementation of sound, future-oriented sustainability strategies. Before joining Sustainserv, he graduated from ETH Zurich with a master’s degree in chemical and bioengineering, where he developed an increasing interest in sustainability issues. He applies his engineering mindset in a targeted manner to the calculation of company-wide greenhouse gas … Continued

Aidan Kilpatrick

Prior to joining Sustainserv, Aidan Kilpatrick gained experience in roles in the field of ESG consulting and research. He is a graduate of Boston College with a Bachelor of Arts in Environmental Studies, with a concentration in Climate Change, and a minor in Management. From his coursework in climate science, environmental policy, and management operations, … Continued

Brooke McDonald

Brooke McDonald graduated from Boston College with a Bachelor of Arts in International Studies and minors in Environmental Studies and Economics. While at Boston College, Brooke was the President of the Boston College chapter of charity: water. She was also an intern at the renowned Boston College Center for Corporate Citizenship, a premier academic center … Continued

Julia Keogh

Before joining the Sustainserv team, Julia Keogh gained experience in the topic of sustainable procurement within the consumer packaged goods industry. She graduated from Northeastern University with a Master of Science in Environmental Science and Policy. With a concentration in Sustainable Development, Julia explored themes relating to climate science, sustainable procurement, and environmental planning.

Maëlle Mühlethaler

Maëlle Mühlethaler discovered her passion for corporate sustainability and non-financial reporting while attending a continuous education. Thanks to the gained know-how she got the opportunity to analyze the non-financial reporting of about 20 Swiss companies for a reporting benchmark. Maëlle also wrote her thesis based on that project. Before joining Sustainserv, Maëlle worked for an … Continued

Meike Nolzen

Based on her interdisciplinary background and experiences in policymaking, Meike Nolzen supports companies in developing sustainability strategies and reports, as well as materiality assessments. Prior to her position at Sustainserv, Meike worked for a non-governmental organization and the European Parliament, both located in Brussels. She has valuable insight into environmental, energy and climate policymaking. Meike … Continued

Nicole Schäfer

With a background in project management and corporate communications, Nicole Schäfer supports companies in strategy development and the preparation of sustainability reports and materiality analyses.

Dr. Marvin Höge

Marvin uses his broad background in sustainability and data science to support Science Based Targets development and environmental accounting. He believes in the competitive advantages for businesses that arise from comprehensive approaches to climatic and environmental challenges. Before joining Sustainserv, Marvin was a researcher at Eawag, an institute of ETH Zurich. There, he used state-of-the-art … Continued

Ramin Baghaei Mehr

Ramin Baghaei Mehr supports companies in data- and AI-based methods for sustainability analysis and data management. Before joining Sustainserv, he worked for 10 years in the telecommunications field in various functions around IT, software engineering and data analysis. Ramin holds a Bachelor’s degree in Software Engineering from Amol University/Iran, and a Master of Data Science … Continued

Danielle Robertson

Danielle brings a variety of operational and administrative experience to Sustainserv and has a strong passion for sustainability, permaculture farming, and movement. Before joining Sustainserv as Operations Manager, Danielle opened a boutique luxury hostel in Austin, TX, worked in environmental non-profits, biotech, and international education.


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