Lorenzo Gradoni is associate professor of International Law at the Department of Legal Studies, Alma Mater Studiorum - Università di Bologna. Formerly visiting professor at the Ecole de Droit de la Sorbonne (2011-14) and Research Assistant at the Graduate Institute of International and Development Studies (2009-10). Research Associate at the UMR de Droit comparé de Paris (since 2007). PhD in EU Law (2003). Recipient of the International Society of International Law Prize (2008) and the European Society of International Law Book Prize (2010). Main research interests: public international law and its sources, international inter-systemic law, international law and politics, WTO law, international criminal law. He recently authored The International Court of Justice and the International Customary Law Game of Cards, in M. Andeans and E. Björge (eds), A Farewell to Fragmentation: Reassertion and Convergence in International Law (Cambridge University Press: Cambridge 2015).