USG Haile Menkerios
Head of United Nations Office to the African Union
Secretary-General Ban Ki-moon appointed Haile Menkerios of South Africa as Head of the United Nations Office to the African Union (UNOAU) and Special Representative (SRSG) to the African Union in July 2013. At the level of Under Secretary General, Mr. Menkerios is also the UN Special Envoy for Sudan and South Sudan.
Mr. Menkerios served as the Special Representative and Head of the UN Mission in Sudan (March 2010- July 2011), and as the Assistant Secretary-General for Political Affairs (2007-2010).He previously served as Deputy Special Representative of the Secretary-General for the Democratic Republic of Congo (2005-2007), Director of the Africa 1 Division in the Department of Political Affairs (2003-2005) and Senior Adviser to the Special Envoy of the Secretary- General to the Inter-Congolese Dialogue (2002).
From 1991 to 2000, Mr. Menkerios represented the government of Eritrea in various capacities, including as Ambassador to Ethiopia and the Organization of African Unity, Special Envoy to Somalia and to the Great Lakes region; and as Permanent Representative to the United Nations.
Chief of Staff
Ms. Nathalie Ndongo-Seh is an attorney-at-law with wide-ranging United Nations peacekeeping experience. She has served in Liberia, Israel, Afghanistan and East Timor amongst others, and was most recently with MENUB in Burundi and UNMISS in Juba before joining UNOAU. Ms. Ndongo-Seh began her career in the private sector in France, Cameroon and the Ivory Coast. She holds graduate degrees from the University of Paris I (Sorbonne) in international law and international economic law.