María del Carmen Squeff is the Permanent Representative of Argentina to the United Nations.

Ambassador Squeff is a career diplomatic, graduated from the Foreign Service Institute of the Ministry of Foreign Affairs of Argentina in 1993. Later, she served at the Undersecretary of Economic Integration of this Ministry. She was appointed to the Argentina Embassy to the European Union. After that, she was Chargé d'Affaires to the United Nations Food and Agriculture Organization (FAO). In 2008, she led the reform of the Committee on World Food Security (CFS). She was Undersecretary of Foreign Policy (2011 to 2013), Ambassador of Argentina to France (2013–2016), seconded to the Organization of American States (OAS) Mission to Support the Peace Process in Colombia (2016-2017), Ambassador of Argentina to the Federal Republic of Nigeria (2018–2019), and Undersecretary of MERCOSUR and International Economic Negotiations (December 2019 to July 2020). Since August 2020, she has been the Permanent Representative of Argentina to the United Nations.

Ambassador Squeff has a master’s degree in International Politics from the Faculté des Sciences Sociales, Politiques et Economiques, Université Libre de Bruxelles, and a degree in Political Science from the Faculty of Political Science and International Relations of the National University of Rosario.