Professor William A. Schabas is a leading international authority and both a theoretician and a practitioner on international criminal law. He is currently professor of international law at Middlesex University in London and professor of international criminal law and human rights in Leiden. He is also distinguished visiting faculty at Sciences Po in Paris and a doctor honoris causa of Northwestern University (Chicago), Case Western University (Cleveland), Copenhagen University and Dalhousie University (Halifax). He was a member of the Sierra Leone Truth and Reconciliation Commission and chairman of the international Commission to investigate violations of international humanitarian law and human rights law in the Occupied Palestinian Territory. He has been a lawyer and legal counsel in litigation before the International Court of Justice, the International Criminal Court and the International Criminal Tribunal for the former Yugoslavia (The Hague), the European Court of Human Rights (Strasbourg) and the United Nations Human Rights Committee (Geneva). He is the author of more than twenty books and 400 academic journal articles in the fields of human rights, international criminal law, war crimes, genocide, death penalty etc.