Stefan Wolff is professor of international security and director of research and knowledge transfer in the College of Social Sciences at the University of Birmingham in the U.K. He is an expert on international crisis management and post-conflict state-building and has been engaged in various stages of conflict settlement negotiations, including in Moldova, Iraq, Sudan and Yemen. Among his 17 books to date are Ethnic Conflict: A Global Perspective (Oxford University Press 2007), Conflict Management in Divided Societies (Routledge 2011), and The European Union as a Global Conflict Manager (Routledge 2012). Wolff is a graduate of the University of Leipzig, and he holds an M.Phil. from the University of Cambridge and a Ph.D. from the London School of Economics and Political Science.