Mr Mame Mandiaye Niang was elected Deputy Prosecutor of the International Criminal Court on 10 December 2021 by the Assembly of States Parties to the Rome Statute at its twentieth session. He was sworn in on 7 March 2022.

Mr Niang is a graduate of the École nationale d’Administration et de Magistrature in Dakar, Senegal. He has held senior positions in the Senegalese judicial system. He has been Prosecutor general of the Appeals Court of Saint Louis, in Senegal, Director of Criminal Affairs and Pardons at the Senegalese Ministry of Justice, “Auditeur” at the Senegalese Supreme Court, attached to the Prosecutor General, Trial Attorney at the Regional Tribunal of Dakar, and Magistrate at the Regional Tribunal of Dakar.

He has extensive international experience within the United Nations system, having served in various positions at the International Criminal Tribunal for Rwanda (ICTR), including Legal Officer, Senior Legal Officer and Chief of Staff of the Registrar, Regional Representative of the United Nations Office on Drugs and Crime (UNODC) in Southern Africa, with jurisdiction over the countries of SADEC, and Judge at the Appeals Chamber of the International Criminal Tribunal for the former Yugoslavia and the ICTR.

Mr Niang has published dozens of articles in law reviews in French and English, and co-authored several books on international humanitarian law and criminal procedure. He was a visiting lecturer in many institutes and academic institutions including the “Ecole nationale des Assistants sociaux et Educateurs spécialisés”, the Dakar “Centre de Formation judiciaire”, the University of Rwanda, and the Institute of International Law attached to Makere University in Uganda.

M. Niang is a member of the “Union des Magistrats sénégalais” and the Senegalese Section of the International Association of Criminal Law.