Management
Dr. Dietrich Brockhagen
Founder & CEO
Physicist & Environmental Economist
+49 (0) 30 120 84 80 - 0
Executive Team
Tobias Posselt
Head of Sales
M.Sc. Environmental Science and Technology
+49 (0) 30 120 84 80 - 0
CDM-Projects
Dr. Katrin Mikolajewski
Team Lead Certified Projects
Dipl. Geographer
+49 (0) 30 120 84 80 - 71
Julius Wiebe
Team Lead Efficient Cookstoves
Master in Global Economic Governance
+49 (0) 30 120 84 80 - 61
Sebastian Rudolph
Deputy Team Lead Efficient Cookstoves
Dipl. Economic Geography
+49 (0) 30 120 84 80 - 74
Martin Herma
Team Lead Biomass Projects
M.Sc. Business Administration and Engineering
+49 (0) 30 120 84 80 - 0
Kevin Möller
Team Lead Solar Projects
Commercial Lawyer, M.A. Philosophy
+49 (0) 30 120 84 80 – 62
Dr. Julia Beerhues
Project Manager (Biomass Projects)
Chemist
+49 (0) 30 120 84 80 - 68
Juliane Schindler
Project Manager (Biomass Projects)
M.A. Sustainable Business Management
+49 (0) 30 120 84 80 - 79
David Grüttner
Project Manager (Biomass Projects)
Mathematician
+49 (0) 30 1208480 - 77
Mohamed El Maghraby
Project Developer (Solar)
M.Sc. Renewable Energy Engineering
+49 (0) 30 1208480 - 70
Nele Erdmann - parental leave
Senior Project Developer (Solar)
Dipl. Wi.-Ing. Energy and Environmental Management
+49 (0) 30 120 84 80 - 63
Zoltán Müller-Karpe
Project Developer (Solar)
M.Sc. Physics
+49 (0) 30 120 84 80 – 64
Hammad Kaleem
Project Manager (Solar)
M.Sc. Energy and Environmental Engineering
Jonas Ludwig
Project Manager (Efficient Cookstoves)
M.Sc. Mechanical Engineering
+49 (0)30 120 84 80 – 67
Kaajal Tikle
Project Manager (Efficient Cookstoves)
B.Sc. International Business
+49 (0) 30 120 84 80 - 76
Emily Dundon
Project Manager (Efficient Cookstoves)
B.Sc. Biological and Biomedical Sciences
Tamara Otonoku
Project Manager (Efficient Cookstoves)
M.Sc. Environmental Science
Isabel Messori
Project Manager (Removals)
M.Sc. Resource Economics & Sustainable Development
+49 (0) 30 120 84 80 - 73
Klara Kellner
Project Manager (Removals)
M.Sc. Civil Engineering
+49 (0) 30 120 84 80 - 69
Yanzi Zhou
Project Manager (Removals)
M.Sc. Environmental Science & Technology
+49 (0) 30 120 84 80 - 55
Dr. Constanza Terazzi
Project Manager (Removals)
PhD Chemistry
+49 (0) 30 120 84 80 – 72
Clara Yü
Trainee Climate-Projects (Removals)
M.Sc. Mechanical Engineering
+49 (0) 30 120 84 80 - 56
Jack Owles
Trainee Climate-Projects (Removals)
Mechanical Engineer
+49 (0) 30 120 84 80 - 80
Maria Spethmann
Trainee Climate Projects
PhD physics
+49 (0) 30 120 84 80 - 78
Annika Richter
Regional Manager East Africa
M.Sc. Sustainable Energy Engineering
+49 (0) 30 120 84 80 - 66
Olufunke Popoola
Working Student Climate-Projects
M.Sc. Agricultural Economics
Linh Ngo
Working Student Climate-Projects
B.Sc. Ecology & environmental planning
Richard Hentschel
Working Student Climate-Projects
B.Sc. Industrial Engineer in Environment & Sustainability
+49 (0) 30 120 84 80 - 59
Berkay Üstün
Working Student Climate-Projects
M.Sc. Integrated Natural Resource Management
Tiago Krause
Working Student Climate-Projects
B.Sc. Business Engineering - Environment & Sustainability
Chandni Chandni
Working Student Climate-Projects
M.Sc. Climate Change Management
CDM-Projects: Barcelona
Florian Eickhold
Climate Finance & Environmental Markets Expert
Diploma in Latin American Studies
+49 (0) 30 120 84 80 - 0
Anna Seefried - absent until 31.08.2026
Project Manager
M.Sc. Natural Resource Management
Francesc Grau
Project Analyst
M.Sc. Renewable Energies & Energy Sustainability
Ana Carvalho
Project Analyst & Scout
M.Sc. Electrical Engineering & Renewable Energy
David Protonotarios
Trainee for Project Development
M.Sc. Sustainability Management & B.Sc. Mechanical Engineering
Lucia Raso
Intern / Climate Protection Project Development
Global Governance, Economics and Legal Order (Bachelor’s degree, ongoing)
Carolina Duran
Intern / Climate Protection Project Development
Global Governance, Economics and Legal Order (Bachelor’s degree, ongoing)
Denise Andria Muller de los Reyes
Intern / Climate Protection Project Sourcing & Development
Bachelor in Global Governance, Economics & Legal Order, Business & Law School
Customer Care & Product Development
Brigitte Kraus
Team Lead Business Development
Dipl. in Business Administration (FH)
+49 (0) 30 120 84 80 -15
Cathleen Herrich
Key Account Manager
Diplomkauffrau in Tourismuswirtschaft
+49 (0) 30 120 84 80 - 20
Karolin Kearney
Customer Service
B.A. Business Administration
+49 (0) 30 120 84 80 – 22
Mabenth Britta Kamara
Intern / Customer Service / Administration
B.Sc. Business Engineering
+49 (0) 30 120 84 80 – 27
Office Administration
Ruth Helmingdirks
Climate Advocacy
M.Sc. Applied Sustainability
+49 (0)30 120 84 80 - 94
Outi Ruuska
Manager Office & Administration
M.A. Environmental Policy and Planning
+49 (0) 30 120 84 80 – 23
Maiju Mikkonen
Employee Office & Administration
Bachelor Hospitality Management
+49 (0) 30 120 84 80 – 92
Joanna Seraphim
Employee HR / Recruiting
M.A. Development & International Relations
+49 (0) 30 120 84 80 – 89
IT Team
Clara Di Gregorio
Software Developer
M.Sc. Environmental Biology
+49 (0) 30 120 84 80 - 0
Public Relations
Dr. Wolfdietrich Peiker
Press a& Public Relations Manager
Dipl. Geographer
+49 (0) 30 120 84 80 – 42
CDM-Projects Support
Izebe Egwaikhide
Project Development
Dipl.-Ing. Elektrotechnik & MBA
+49 (0) 30 120 84 80 - 0
Support Distribution and Administration
Michaela Thurau
Senior Consultant Climate Management
Dipl. BWL & MBA Renewables
+49 (0) 30 120 84 80 - 0
Lars Schäfer
Tourism & Climate Protection
Nicolas Fischer
Business Development Consultant
M.Sc. International Development & Management
+49 (0) 30 120 84 80 – 34
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