Rafael Biermann is Chair of International Relations at the Friedrich Schiller University in Jena, Germany. Previously, he was Vice-Dean of the George C. Marshall European Center for Security Studies, Visiting Professor at the Naval Postgraduate School in Monterey, CA, and responsible for policy planning in the German Chancellery and the MoD. His major monographs focus on international conflict prevention in Kosovo and Soviet policy on German unification.Joachim A. Koops is Dean of Vesalius College, Vrije Universiteit Brussel (VUB), Research Professor at the VUB’s Institute for European Studies and Director of the Global Governance Institute (GGI). Recent publications include The Oxford Handbook of United Nations Peacekeeping Operations (OUP, 2015), The European Union as a Diplomatic Actor (Palgrave, 2015), The Responsibility to Protect and the Third Pillar<(Palgrave, 2015)