Kai Ambos is Chair for Criminal Law, Criminal Procedure, Comparative Law, International Criminal Law and Public International Law at the Faculty of Law, Georg-August-University Göttingen. He is also Acting Director at the Institute for Criminal Law and Justice, Director of the Centro de Estudios de Derecho Penal y Procesal Penal Latinoamericano (CEDPAL), Judge Kosovo at the Specialist Chambers of The Hague, Netherlands, and Advisor (amicus curiae) of the Colombian Special Jurisdiction for Peace. Peter Rackow is an Associate Professor at the Institute for Criminal Law and Criminal Justice and the Department of Foreign and International Criminal Law, Faculty of Law, Georg-August-University, Göttingen.