Darryl Robinson is a professor at Queen's University Faculty of Law. As a Legal Officer at Foreign Affairs Canada (1997–2004), he advised on international criminal law and helped negotiate the Statute of the International Criminal Court. He was also an adviser at the International Criminal Court (2004–6). He received the Antonio Cassese Prize for International Criminal Law Studies in 2013 for his innovative contributions to the field. His writings on international criminal law focus on criminal law theory, crimes against humanity, command responsibility, and ecocide. Sergey Vasiliev is Associate Professor at the Faculty of Law, University of Amsterdam, where he teaches international, transnational, European, and comparative criminal law and the rule-of-law aspects of criminal law across several master's programmes. He is also serving as the (inaugural) director of the Amsterdam Center for Criminal Justice and the academic director of the LL.M. International Criminal Law (including the joint track with the Columbia Law School). Previously, he was as an assistant professor of public international law at the Leiden Law School and a postdoctoral researcher on pluralism in/of international criminal law at the Vrije Universiteit Amsterdam. His scholarship mostly focuses on procedural, institutional and governance aspects of international (criminal) justice. Elies van Sliedregt is Professor of Criminal Law at Tilburg University, the Netherlands. She was the 2015 Holding Redlich fellow at the Castan Center for Human Rights at Monash University, Melbourne and, in 2018, appointed as Fellow of McLaughlin College, York University, Toronto. She is member of the Royal Netherlands Academy for Arts and Sciences (KNAW), sits on the Advisory Committee on Public International Law (CAVV) and is a trustee of the British Institute of International and Comparative Law (BIICL). She has published extensively in the field of international, European and comparative criminal law.