a Senegalese jurist, was appointed as Under-Secretary-General and Special Adviser of the Secretary-General on the Prevention of Genocide in September 2012. Prior to his appointment, he joined the UN in 2001 as Assistant Secretary-General and Registrar of the International Criminal Tribunal for Rwanda. During his UN tenure, Mr. Dieng has served in a range of capacities, including as the top expert on Haiti and Envoy to Malawi, and has headed of numerous human rights fact-finding missions around the world.
Before joining the United Nations, Mr. Dieng was Secretary General of the Geneva-based International Commission of Jurists for ten years (1990-2000). OIF Expert on Legal and Judicial Cooperation; Expert on Conception, Implementation and Evaluation of Projects relating to the Rule of Law, Democracy and Human Rights; Trainer on Electoral Law; Legal Columnist; Editor of “Review”, a legal journal of the International Commission of Jurists; Chairperson of the Editorial Group to assist the International Panel of Eminent Personalities to investigate the 1994 Genocide in Rwanda and Surrounding Events (IPEP).
Mr. Dieng has served on a long line of boards and councils, including of International IDEA; the Africa Leadership Forum; the International Institute of Human Rights, the African Centre for Democracy and Human Rights Studies; the Advisory Council of International Service for Human Rights; the Advisory Council of International Human Rights Law. He is also the former President of the Martin Ennals Foundation and Founder of the Panafrican Alliance for Transparency and The Rule of Law (PATROL), and has served as member of the UNESCO international Advisory Committee on Poverty and Human Rights. In recognition of his contribution to strengthening the rule of law and the fight against impunity, Mr. Dieng was appointed Honorary Chair of the Washington and Seattle-based World Justice Project.