PhD in Computer Modelling and Earth Sciences, Columbia University, New York, and NASA Fellow. PwC Partner, leads PwC's Innovation and Sustainability work, including the firm’s collaboration with WEF and Stanford University on the “4IR for Earth” programme. World Economic Forum Young Global Leader. Also PwC’s Global Climate Change Leader. Expertise in innovation, emerging technologies incl. artificial intelligence, climate change, sustainable finance, international development and business with purpose. Advises government, industry, tech and investor clients across North America, Europe and emerging and developing economies on innovation and emerging tech strategy and transformation, sustainability, and innovation finance and impact investment. Member of the T20 Digital Economy Taskforce, and has acted as adviser to the G20, World Economic Forum, UN, New Climate Economy, and numerous governments on climate change, ecosystems, Fourth Industrial Revolution and the digital economy. 2016-18, Member, World Economic Forum Global Future Council; Member of the Advisory Board, Business Commission on Sustainable Development. Visiting Senior Research Fellow, Grantham Research Institute at London School of Economics.