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Senior Leadership Team
Dr. Tahsin Choudhury
Managing Director
Tahsin has been working in Sustainability and Climate Change since 2003. He is a Lead Auditor and is involved in the Verification of GHG Inventories (carbon and energy reductions), the assurance of sustainability reports and green finance products and GHG reduction projects under various standards. His work is both in Europe and globally across a multitude of sectors.
He has extensive experience of project managing high value, time critical projects on behalf of such clients as the World Bank, Asian Development Bank, Governments and Private Clients.
Tahsin holds a Bachelors and Doctorate in Chemical Engineering from Imperial College, University of London and a Master’s degree in Environmental Change and Management from The University of Oxford.
Tahsin is based in the UK and is fluent in English and Bengali.
He has extensive experience of project managing high value, time critical projects on behalf of such clients as the World Bank, Asian Development Bank, Governments and Private Clients.
Tahsin holds a Bachelors and Doctorate in Chemical Engineering from Imperial College, University of London and a Master’s degree in Environmental Change and Management from The University of Oxford.
Tahsin is based in the UK and is fluent in English and Bengali.
Mr. Rainer Winter
Executive Director
Rainer is a Senior Auditor and was the former founder and Head of the Climate Change Department within a large German validation and verification body.
He has been working in this field since the year 2000 and so has substantial global experience of carbon emissions reductions projects, having been involved in this since its inception within his former employer organisation. He also has extensive knowledge of energy efficiency projects, gained through his work experience as a Senior auditor within ISO 50001 as well as the EU ETS. His work is both in Europe and globally across a multitude of sectors.
Rainer holds a Masters in Process Engineering from Clausthal University of Technology in Germany.
Rainer is based in Germany and is fluent in German and English.
He has been working in this field since the year 2000 and so has substantial global experience of carbon emissions reductions projects, having been involved in this since its inception within his former employer organisation. He also has extensive knowledge of energy efficiency projects, gained through his work experience as a Senior auditor within ISO 50001 as well as the EU ETS. His work is both in Europe and globally across a multitude of sectors.
Rainer holds a Masters in Process Engineering from Clausthal University of Technology in Germany.
Rainer is based in Germany and is fluent in German and English.
Mr. Yongjun Li
Executive Director
Yongjun was the General manager for Climate Change and Sustainability for the Chinese subsidiary of a large German validation and verification body. He was also Asia Pacific Head for Sustainability.
He has been working in this field since 2004 and is a Senior auditor for a number of standards including ISO Quality, Environmental and Energy Standards. He has considerable global experience of emissions reductions projects, as well projects in Sustainable Bio-mass (FSC) and Bio-fuels (ISCC).
Yongjun holds a Bachelors degree in Environmental Engineering.
Yongjun is based in China and is fluent in Chinese, German and English.
He has been working in this field since 2004 and is a Senior auditor for a number of standards including ISO Quality, Environmental and Energy Standards. He has considerable global experience of emissions reductions projects, as well projects in Sustainable Bio-mass (FSC) and Bio-fuels (ISCC).
Yongjun holds a Bachelors degree in Environmental Engineering.
Yongjun is based in China and is fluent in Chinese, German and English.
