He is the founder of the Carbon Tracker Initiative, a non-profit think tank. Prior to founding Carbon Tracker, he had 20 years of experience in sustainable financial markets. He co-founded some of the first responsible investment funds at Jupiter Asset Management, AMP Capital, and Henderson Global Investors. He serves on several advisory boards, advises Faith Invest, and lectures at the University of Cambridge’s sustainable finance programme. In 2021, he was awarded the Trillium Capital Lifetime Achievement Award (CERES) in Sustainable Finance.