PhD in Climate Modelling and Policy, Earth Institute, Columbia. Partner, PwC UK and leads PwC's Climate Change and Int'l Development business, and the firm's work on resilience. Advises clients at the corporate, government and int'l level across Europe, North America, and emerging and developing economies on strategy, financing, policies and implementation related to climate change. Key adviser to the G-20 and World Economic Forum around climate change. Private sector representative to Climate Investment Funds. Chief Strategy Adviser to Climate and Development Knowledge Network. Visiting Senior Fellow, Grantham Research Institute on Climate Change and the Environment, London School of Economics.