Former Assistant Executive Secretary, Inter-American Commission on Human Rights, Organization of American States, Washington, D.C.
Secretary of Human Rights, Province of Buenos Aires, Argentina
Visiting Professor of International Law, Fletcher School of Law & Diplomacy, Tufts University & University of Windsor
Founding Chief Prosecutor, Special Court for Sierra Leone & Former Under Secretary General, United Nations
Founder, Human Rights in Practice, The Hague, The Netherlands.
Professor of human rights and humanitarian law, Leiden University
Dean Emeritus, American University Washington College of Law, Washington, D.C.
Senior Counsel, The World Bank, Washington, D.C.
Director and Professor of Law, Buffalo Human Rights Center, SUNY Buffalo Law School, State University of New York
Chairperson, Committee Against Torture, United Nations
Senior Fellow, Foreign Policy, Project on International Order and Strategy, Latin America Initiative, Brookings Institution, Washington, D.C.
Commissioner, Inter-American Commission on Human Rights, Organization of American States, Washington, D.C.
Interim Executive Director, International Corporate Accountabilty Roundtable (ICAR), Washington, D.C.
Founder and Executive Director, Disability Rights International, Washington, D.C.
Director, Center for Human Rights and Humanitarian Law, American University Washington College of Law, Washington, D.C.
General Secretary, World Organization against Torture, Geneva, Switzerland
Head of Unit, Relations with Arms Carriers, International Committee for the Red Cross, Geneva, Switzerland