Paul Collier is the Professor of Economics and Public Policy at the Blavatnik School of Government. He is the author of The Bottom Billion, which won the Lionel Gelber Prize and the Arthur Ross Prize awarded by the Council on Foreign Relations, The Plundered Planet, Exodus and Refuge (with Alexander Betts). Collier has served as Director of the Research Department of the World Bank, and consults with the German and many other governments around the world.