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Greensphere Capital career site
Picture of Mark Chadwick

Mark Chadwick

CEO

Mark has over two decades of leadership at the intersection of sustainability, technology, and climate strategy, he brings deep expertise to advance our mission of driving impactful bioengineering and landscape restoration.

Prior to joining Kew Reach Mark worked from ENGIE Impact, where he served as Managing Director for EMEA & APAC. In this role, he led the development of innovative sustainability solutions for global businesses, cities, and governments. Under his leadership, the team delivered integrated decarbonisation programmes—balancing ambition with action across industrial actors and hard-to-abate sectors—leveraging advanced digital tools and long-term strategic planning.

Mark founded Carbon Clear in 2005, a pioneering climate consultancy that was ultimate acquired by EcoAct. His firm helped shape the industry’s approach to climate action, ultimately providing advice to 25 of the FTSE100 and many large international businesses. Beyond his executive roles, Mark has been an active advisor and investor in technology and sustainability ventures, with a particular focus on artificial intelligence and circular innovation.

About Greensphere Capital

A leading sustainable investor for over a decade, Greensphere excels in scaling engineered and nature-based technological solutions to solve some of the biggest systemic risks facing our generation. Greensphere was the first fund manager chosen by the UK Government/Green Investment Bank, a mandate it won in 2012 against 23 other British and European fund managers. Greensphere has invested in technology, companies and assets in the renewable energy, agriculture and forestry supply chains, always operating a triple-bottom-lined approach that invests to improve ‘People, Planet and Profit’. We have consistently measured and reported on a range of these metrics in a market-leading manner.