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About

Our Team

CDR Türkiye is led by three co-founders with backgrounds in sustainability, carbon markets and carbon removal finance.

Co-founders

  • Pınar Öncel

    Pınar Öncel

    Co-founder

    Pınar is a sustainability consultant, entrepreneur, and co-founder of ClaimCarbon, a platform dedicated to accelerating carbon dioxide removal (CDR) through innovative partnerships, project development, and pre-finance solutions. With over 15 years of experience driving systemic change, she has worked as a creative facilitator and consultant, empowering organizations and communities to pursue regenerative futures.

    She co-founded the Sustainable Living Film Festival (2008–2022), which reshaped sustainability conversations in Türkiye, and developed platforms like Surdurulebiliryasam.tv to amplify the impact of sustainability storytelling. Being an En-ROADS Climate Ambassador and facilitating climate action games, her focus shifted toward scaling climate solutions, and she is now dedicated to fostering radical collaborations for high-impact carbon removal projects. Pınar holds an MSc in Strategic Leadership toward Sustainability from Blekinge Institute of Technology in Sweden.

    LinkedIn profile
  • Göker Avcı

    Göker Avcı

    Co-founder

    Göker Avcı is a decarbonization strategist and carbon markets expert helping companies turn climate targets into financially meaningful action. He advises corporates on science-based decarbonization roadmaps, high-integrity carbon credit use, and the integration of engineered carbon removal into net-zero strategies.

    He co-authored the world’s first methodology-agnostic forward-crediting standard for engineered CDR and has been involved in 50+ crediting and sustainability projects across sectors. He focuses on making climate ambition measurable, investable, and aligned with real-world business constraints.

    LinkedIn profile
  • Atilla Yücel

    Atilla Yücel

    Co-founder

    Atilla is Policy Manager for Carbon Removal Financing at the Negative Emissions Platform, where he connects policy and investment to scale high-integrity carbon removal markets.

    He brings more than a decade of experience in sustainable and climate finance, including at GIZ and Trinomics, where he supported technology deployment and innovation across Europe, Africa and Asia. He holds master’s degrees in environmental policy from King’s College London and in finance from the University of Münster.

    LinkedIn profile