Stefan Wolff is Professor of International Security at the University of Birmingham, England, UK. An expert on international crisis management and post-conflict state-building, he has published over 80 journal articles and book chapters, as well as 17 books, including Ethnic Conflict: A Global Perspective (Oxford University Press 2007). Bridging the gap between academia and policy-making, he frequently advises governments and international organisations and has been involved in various stages of peace negotiations, including in Africa, the Middle East, and the post-Soviet space. Wolff graduated from the University of Leipzig, and holds an M.Phil. from the University of Cambridge and a Ph.D. from the London School of Economics and Political Science.