At the time of this interview, William G. O’Neill was a lawyer specializing in international human rights, humanitarian and refugee law. He was senior adviser on human rights in the United Nations Mission in Kosovo, chief of the U.N. Human Rights Field Operation in Rwanda and head of the legal department of the U.N./OAS Mission in Haiti. He worked on judicial, police and prison reform in Burundi, Liberia, Sierra Leone, South Sudan, Timor Leste, Nepal and Bosnia-Herzegovina. He investigated mass killings in Afghanistan for the Office of the High Commissioner for Human Rights. He also conducted an assessment of the human rights situation in Darfur and trained the U.N.’s human rights monitors stationed there. O’Neill has published widely on the rule of law, human rights and peacekeeping. In 2008, the Social Science Research Council appointed him as director of its Conflict Prevention and Peace Forum.