Dimitri Zenghelis is Special Advisor for the Wealth Economy Project at the Bennett Institute, University of Cambridge and a Senior Visiting Fellow at the London School of Economics. He is a Senior Associate Cambridge Institute for Sustainability Leadership. He was until recently Head of Policy at the Grantham Research Institute at the LSE and Acting Chief Economist for the Global Commission on the Economy and Climate. Previously, he headed the Stern Review Team at the Office of Climate Change, London, and was a lead author on the Stern Review on the Economics of Climate Change, commissioned by the then Chancellor Gordon Brown. He was also Senior Economic Advisor to Cisco's long-term innovation group and an Associate Fellow at the Royal Institute of International Affairs, Chatham House. Before working on climate change, Dimitri was Head of Economic Forecasting at HM Treasury.