Alexander Betts (Author) Alexander Betts is the Leopold W. Muller Professor of Forced Migration and International Affairs at the University of Oxford, where he is also Director of the Refugee Studies Centre. He has written for the Guardian , New York Times and Foreign Affairs and appears regularly on news channels including CNN, Al Jazeera, and the BBC. He has also given two TED talks, which have garnered over a million views. Paul Collier (Author) 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