John Rhys joined the Oxford Institute for Energy Studies as a Senior Research Fellow in March 2010, after a period as one of its senior research advisers. He obtained his first degree in Mathematics at Oxford University, and went on to obtain an M.Sc. and PhD in economics at the London School of Economics. He is a former Chief Economist of the Electricity Council, and a former Managing Director of NERA UK Economic Consulting. There he was intimately involved in UK energy sector reforms, and also worked extensively on energy sector projects worldwide with the World Bank, other development agencies and national governments.