 A legal scholar, Mbaye served as Vice-President of the International Court of Justice and was Honorary Chief Justice of the Supreme Court of Senegal from 1964 to 1982.Mbaye was President of the International Commission of Jurists from 1977 to 1985 and Commissioner from 1972 to 1987.His published legal works include "The Realities of the Black World and Human Rights"; "Family Law in Black Africa and Madagascar"; and "Human Rights in Africa.