Mame Mandiaye Niang

Mame Mandiaye Niang (born 20 September 1960) He has held several senior positions in the Senegalese judiciary, including in the Ministry of Justice, the Supreme Court of Senegal, and the Regional Court of Dakar, as well as judicial and prosecutorial roles within the United Nations, notably at the International Criminal Tribunal for Rwanda (ICTR) and the International Criminal Tribunal for the former Yugoslavia (ICTY). In 2021, he was elected Deputy Prosecutor of the ICC.

Biography Niang graduated from the in Dakar, Senegal. He has held senior positions in the national judiciary, including as Public Prosecutor at the Court of Appeal of Saint-Louis, Director of Criminal Affairs and Pardons at the Ministry of Justice, and Auditor of the Supreme Court of Senegal. He has also served as magistrate and prosecutor at the Regional Court of Dakar.

Deputy Prosecutor Tenure at the ICC On 10 December 2021, Niang was elected Deputy Prosecutor of the International Criminal Court during the twentieth session of the Assembly of States Parties to the Rome Statute, and was sworn in on 7 March 2022.

US Sanctions On August 20, 2025, the US Department of the Treasury and the Department of State designated Niang and his co-prosecutor Shameem Khan for upholding the arrest warrants against Prime Minister Netanyahu and former Defense Minister Gallant and effectively continuing the line of investigation taken by Prosecutor Khan who was on leave due to an ongoing investigation into serious allegations of sexual misconduct.

Publications Niang has co-authored several books on international humanitarian law and criminal procedure, published articles in legal journals in both French and English, and served as visiting professor at institutions such as the École nationale des Assistants sociaux et Educateurs spécialisés, the Centre de Formation judiciaire in Dakar, the University of Rwanda, and the Institute of International Law at Makerere University in Uganda. He has also been a member of the Union des Magistrats sénégalais and the Senegalese section of the International Association of Penal Law.