Florian Jeßberger is Professor at Humboldt-Universität zu Berlin and holds the Chair in Criminal Law, Criminal Procedure, International Criminal Law and Contemporary Legal History. He is a co-editor of the Journal of International Criminal Justice (Oxford University Press) and published several books and articles on International Criminal Law, e.g. Principles of International Criminal Law (Oxford University Press). Florian Jeßberger previously was the Lichtenberg-Professor of International and Comparative Criminal Law at Humboldt University and Professor at Universität Hamburg. He has been a visiting scholar and lecturer inter alia at Jesus College, University of Oxford (UK), the University of California in Berkeley (USA) and held the Letizia Gianformaggio Chair at the University of Ferrara (Italy).