Erik Jensen’s impressive diplomatic career, which involved postings and missions around the world from New York, London and Geneva to Bahrain, Nigeria, East Timor and Western Sahara, culminated in his appointment as an Under-Secretary-General of the United Nations. He has been a Senior Associate Member of St Antony’s, Oxford, Visiting Fellow at the L.S.E. and Warburg Professor in International Relations at Simmons University, Boston. He is a Fellow of the Royal Geographical Society and longtime Member of the Royal Institute of International Affairs.His previous books include Where Hornbills Fly (2010), and Western Sahara: Anatomy of a Stalemate (2005).