James is a barrister, policy adviser and entrepreneur. He founded Climate Change Capital and served as chairman. He founded Baker & McKenzie’s Climate Change and Clean Energy Practice, the Centre for International Law, FIELD, and AOSIS, all with the help of others. He was a member of UK Prime Minister’s Business Advisory Group and the GE’s Ecomagination board. He is a London Sustainable Development Commissioner. He is currently an executive fellow at Yale. He is chairman of the Overseas Development Institute (ODI) and Agrica. He also sits on the board of Green Running and ET Index.