Welcome to the United Nations


Jean-Pierre Lacroix

Under-Secretary-General for Peacekeeping Operations

Mr. Jean-Pierre Lacroix is the Under-Secretary-General for Peacekeeping Operations. 

Mr. Lacroix brings to the position over 25 years of political and diplomatic experience, with a focus on multilateral organizations, and on United Nations activities and programmes. 

Mr. Lacroix served from 2014 to 2017 as Director for United Nations, International Organizations, Human Rights and Francophonie at the French Ministry of Foreign Affairs.

His previous appointments include Ambassador of France to Sweden, Chief of Protocol of France, Deputy Permanent Representative at the Permanent Mission of France to the United Nations in New York, Deputy Chief of Mission at the French Embassy in Prague and First Secretary then Second Counsellor at the French Embassy in Washington.

He also served as Advisor at the Cabinet of the French Prime Minister.

Born on 2 May 1960, Mr. Lacroix holds BAs from the Institute of Economic and Commercial Sciences (ESSEC), the Institute for Political Studies - Sciences Po Paris and the National School of Administration (ENA), as a graduate of the Class “Michel de Montaigne.”


Atul Khare

Under-Secretary-General for Field Support

Mr. Atul Khare became the Head of the Department of Field Support on 2 March 2015, following the departure of Under-Secretary-General Ameerah Haq.

Mr. Khare brings to the position strategic management and innovative reform expertise in both headquarters and field perspective.  Currently providing charitable medical advice in India, Mr. Khare has a long senior career with the United Nations, most recently as Assistant Secretary-General leading the Change Management Team (2011-2012) and Assistant Secretary-General for Peacekeeping Operations and Deputy Head of the Department of Peacekeeping Operations in New York (2010-2011).

He was previously Special Representative of the Secretary-General for Timor-Leste and Head of the United Nations Integrated Mission in Timor-Leste (UNMIT) at the level of Under-Secretary-General (2006-2009), working earlier as Chief of Staff and Deputy Special Representative of the Secretary-General with the United Nations Mission of Support in East Timor (UNMISET).

Former Director of The Nehru Centre and Minister (Culture), High Commission of India in London (2005-2006), Mr. Khare served during his tenure with the Indian Foreign Service in its diplomatic missions in France, Mauritius, Senegal, Thailand and the United Kingdom, as well as the Permanent Mission of India to the United Nations in New York.

Mr. Khare holds bachelor’s degrees in medicine and surgery from the All India Institute of Medical Sciences, as well as master’s degrees in business administration and leadership from the University of Southern Queensland, Australia.

Born in India in 1959, he is married.


Bintou Keita

Assistant Secretary-General for Operations

Ms. Bintou Keita is the current Assistant-Secretary General for Operations.

Ms. Keita joined the United Nations in 1989.  Since 2015, she has been serving as Deputy Joint Special Representative for the African Union-United Nations Hybrid Operation in Darfur (UNAMID).  Prior to that, her most recent positions include Ebola Crisis Manager for Sierra Leone, Chief of Staff and Director of Operations for the United Nations Mission for Ebola Emergency Response from 2014 to 2015.

Ms. Keita served in several senior management and leadership functions with the United Nations Children’s Fund (UNICEF) in Chad, Congo, Madagascar, Cape Verde, Rwanda, Burundi and the United States.  From 2007 to 2010, she was Deputy Executive Representative of the Secretary-General for the United Nations Integrated Office in Burundi.  She has also worked with the United Nations Development Programme (UNDP) and the Canadian International Development Agency in Guinea.

Born in 1958, Ms. Keita holds a master’s degree in social economy from the University Paris II, France, and a post-graduate degree in business administration and management from the University of Paris IX, France.


Lt. General Carlos Humberto Loitey

Lieutenant General Carlos Humberto Loitey

Military Adviser

The Office of Military Affairs is headed by the Military Adviser, a serving Lieutenant General at the level of Assistant Secretary-General, who is accountable to the Under-Secretary-General.

The Military Adviser is responsible for providing military advice to the Under-Secretary-General for Peacekeeping Operations and, when requested, through him or her to the Under-Secretaries-General for Political Affairs and Field Support, the Secretary-General and the Security Council. The Military Adviser also provides advice and support to heads of offices and divisions within the Department of Peacekeeping Operations, the Department of Field Support, operations with military components led by the Department of Peacekeeping Operations and missions with military advisory functions led by the Department of Political Affairs.

The current Military Adviser is Lieutenant General Carlos Humberto Loitey (Uruguay).


Alexandre Zouev

Assistant Secretary-General for Rule of Law and Security Institutions

Mr. Alexandre Zouev is the current Assistant Secretary-General for Rule of Law and Security Institutions.

Mr. Zouev joined the United Nations in 1990 and has served with the United Nations Development Programme (UNDP), United Nations Children’s Fund (UNICEF) and the United Nations Office for Project Services (UNOPS).  From June 2016 until his current position, he was the Global Programme Manager and Special Adviser on Prevention of Violent Extremism with UNDP.  Before that, he was the United Nations Resident Coordinator and UNDP Resident Representative in Tajikistan between 2011 and 2016. With UNICEF, Mr. Zouev served as Representative in Kazakhstan from 2008 to 2011, having previously held a number of managerial positions at UNICEF Headquarters, covering Central Asia and the Baltics, as well as United Nations and Intergovernmental Affairs.

During his time as Principal Adviser to the Executive Director of UNOPS (2003-2004), Mr. Zouev also served as United Nations Senior Coordinator leading development of the Interagency Post-Crisis Needs Assessment for Haiti, in Port-au-Prince.

Prior to joining the United Nations, he worked as a Dean at his alma mater, the Moscow State Institute/University for International Relations (MGIMO) while also serving in his country’s diplomatic service from 1987 to 1990, working primarily on United Nations, as well as social and economic development, issues.

Mr. Zouev graduated cum laude in 1980, also earning a Ph.D. in development economics from MGIMO in 1983.  He has authored numerous books and articles on social and economic aspects of development.

Born in 1958, he is married and has three children and four grandchildren.


Lisa M. Buttenheim

Assistant Secretary-General for Field Support

Ms. Lisa M. Buttenheim is the current Assistant-Secretary General for Field Support. 

Before assuming her current appointment, Ms. Buttenheim was the Secretary-General’s Special Representative and Head of the United Nations Peacekeeping Force in Cyprus (UNFICYP). Throughout that period, she served concurrently as Deputy Special Adviser of the Secretary-General on Cyprus.

She brings to the position more than 30 years of extensive experience with the United Nations in political affairs and peacekeeping, both at Headquarters and in field operations.  Ms. Buttenheim held numerous senior-level positions, including Director of the Middle East and West Asia Division and Director of the Asia and Pacific Division in the Department of Political Affairs (2008-2010).  She served as Director of the Asia and Middle East Division in the Department of Peacekeeping Operations (2004-2007), and as Director and Head of the United Nations Office in Belgrade (2003-2004).

Since joining the United Nations in 1983, Ms. Buttenheim served as Senior Political Adviser in the Office of the Director-General, United Nations Office at Geneva (1997-2003).  She held assignments as Chief of Staff, Office of the Special Representative of the Secretary-General in the United Nations Interim Administration Mission in Kosovo, and as Director and Senior Adviser in the Office of the Special Envoy for the Balkans in Geneva.  She also held positions in the Executive Office of the Secretary-General, as well as the Office of the Under-Secretaries-General for Special Political Affairs in New York, and the United Nations Truce Supervision Organization in Jerusalem.


Luis Carrilho

United Nations Police Adviser

The Police Division is headed by a Police Adviser, who is accountable to the Assistant Secretary-General for Rule of Law and Security Institutions. The Police Adviser has direct access to the Under-Secretary-General for Peacekeeping Operations, when required.

The Police Adviser is responsible for providing advice and support on all policing issues to the Department of Peacekeeping Operations and the Department of Field Support and to heads of police components of operations led by the Department of Peacekeeping Operations and missions led by the Department of Political Affairs with police advisory functions. The Police Adviser may also, as required, provide advice to the Under-Secretary-General for Political Affairs, the Secretary-General and the Security Council through the Under-Secretary-General for Peacekeeping Operations, ensuring that such advice and support is fully coordinated with the Assistant Secretary-General for Rule of Law and Security Institutions.

The current United Nations Police Adviser and Director of the Police Division is Police Commissioner Luís Carrilho since the appointment by United Nations Secretary-General António Guterres in November 2017.