Mr. Adama Dieng was born on 22 May 1950. He began his career as Registrar of the Regional and Labour Courts in Senegal in 1973, and then served as Registrar of the Supreme Court of Senegal for six years. In 1982, he joined the International Commission of Jurists where he served successively as Legal Officer for Africa, Executive Secretary and, from October 1990 to May 2000 as Secretary-General. While holding that post, Mr. Dieng was appointed the United Nations Independent Expert for Haiti (1995).
On 26 January 2001, he was appointed Registrar of the International Criminal Tribunal for Rwanda by the Secretary-General of the United Nations. He took up his duties on 1 March 2001.