• Member, Board of Directors of the Institute for Human Rights & Development (Gambia)
• Associate Editor, African Yearbook of International Law
• Legal Officer, International Court of Justice
• Human Rights Officer, Rwanda
  Rwanda
  Rwanda or , officially the Republic of Rwanda , is a country in central and eastern Africa with a population of approximately 11.4 million . Rwanda is located a few degrees south of the Equator, and is bordered by Uganda, Tanzania, Burundi and the Democratic Republic of the Congo...
  
  
• Associate Legal Officer, United Nations
  United Nations
  The United Nations is an international organization whose stated aims are facilitating cooperation in international law, international security, economic development, social progress, human rights, and achievement of world peace...
  
   Institute of African Studies and Center for the Study of Human Rights
• Associate Legal Officer, United Nations Office of Legal Affairs
  United Nations Office of Legal Affairs
  The United Nations Office of Legal Affairs is a United Nations agency, established in 1946, that performs several key functions in the area of international law....
  
  , New York
  New York
  New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...
  
  
• Professor of International Law, University of Geneva
  University of Geneva
  The University of Geneva is a public research university located in Geneva, Switzerland.It was founded in 1559 by John Calvin, as a theological seminary and law school. It remained focused on theology until the 17th century, when it became a center for Enlightenment scholarship. In 1873, it...
  
  Faculty of Law
• International Editorial Advisory Board Member, African Human Rights Law Journal

Publications

• (with Djacoba Liva Tehindrazanarivelo) "The question of secession in Africa", in Marcelo G. Kohen (ed.), Secession: international perspectives. New York: Cambridge University Press, forthcoming
• "L’application de la Charte africaine des droits de l’Homme et des peuples par les autorités nationales en Afrique occidentale", in Jean-Francois Flauss and Elisabeth Lambert-Abdelgawad (eds.), L’application nationale de la charte africaine des droits de l'homme et des peuples (2004)
• The African Charter on Human and People's Rights: a comprehensive agenda for human dignity and sustainable democracy in Africa (2003)
• "La Palestine et les Conventions de Genève du 12 août 1949 ou l'histoire d'une adhésion avortée", in Laurence Boisson de Chazournes and Vera Gowlland-Debbas (eds.), Ordre juridique international, un systeme en quete d'équité et d'universalité: Liber amicorum George Abi-Saab (2001)
• La Charte Africaine des Droits de l'Homme et des Peuples: une approche juridique des droits de l'homme entre tradition et modernité (Paris: Presses Universitaires de France, 1993)
• "The Establishment of an African Court of Human And Peoples’ Rights: A Judicial Première for the African Union", 11 African Yearbook of International Law 79 (2003)
• "Les mécanismes continentaux de protection de la personne humaine en Afrique - Gros plan sur la Commission africaine des droits de l'homme et des peuples", 10 U.N. Observer (2001)
• (with Mohammed Bedjaoui) "Le forum prorogatum devant la Cour internationale de Justice: les ressources d'une institution ou la face cachée du consensualisme", 5 African Yearbook of International Law 91 (1997)
• "La tragédie rwandaise du printemps 1994: quelques considérations sur les premières réactions de l'Organisation des Nations Unies", 100 (1) Revue générale de droit international public 149 (1996)
• "L'absence de clause de dérogation dans certains traités relatifs aux droits de l'homme: Les réponses du droit international général", 98 Revue générale de droit international public 287 (1994)
• The Bamako Convention on Hazardous Waste: A new step in the development of the African international environmental law, 1 African Yearbook of International Law 195 (1993)
• The International Law of Human Rights in Africa: Basic documents and annotated bibliography, compiled by M. Hamelengwa and others, 1 African Yearbook of International Law 221 (1993) (Book review)