Marco Sassòli, is professor of international law at the Faculty of Law of the University of Geneva. From 2001-2003, he has been professor of international law at the Université du Québec à Montreal, Canada, where he remains associate professor. He is commissioner of the International Commission of Jurists (ICJ) and pro bono special advisor on IHL of the prosecutor of the international Criminal Court.

Marco Sassòli has worked from 1985-1997 for the International Committee of the Red Cross (ICRC) at the headquarters, inter alia as deputy head of its legal division, and in the field, inter alia as head of the ICRC delegations in Jordan and Syria and as protection coordinator for the former Yugoslavia.

He has also served as chair of the board of Geneva Call, an NGO engaging non-State armed actors to respect humanitarian rules and as director of the Geneva Academy of International Humanitarian Law and Human Rights.

Marco Sassòli has published widely on international humanitarian law (most recently: International Humanitarian Law: Rules, Controversies, and Solutions to Problems Arising in Warfare, Edward Elgar, Cheltenham, 2019), human rights law, international criminal law, the sources of international law, and the responsibility of states and non-state actors.