Gilles Michaud

Under-Secretary-General for Safety and Security

Gilles Michaud of Canada took up the role of Under-Secretary-General for Safety and Security with the United Nations Department of Safety and Security on 1 July 2019. 

Mr. Michaud, who since 2016 served as Deputy Commissioner for Federal Policing with the Royal Canadian Mounted Police (RCMP), brings to the position a wealth of experience in counter-terrorism, national security, and management of substantial human, physical, and financial resources. Mr. Michaud has an extensive background in multilateral organizations, as the lead on peacekeeping, international capacity-building, and liaison activities for the RCMP and has served on the Executive Committee of INTERPOL. 

During his three decades as a police officer, Mr. Michaud oversaw the RCMP’s national security criminal investigations program and led the Federal Policing Program, with responsibility for investigating sophisticated criminal activity, national security threats, transnational organized crime, protective policing, witness protection, and border security. 

Mr. Michaud is a graduate of the Harvard Kennedy School Executive Program in National and International Security and McGill University’s Executive Development Program. He is a graduate of the Federal Bureau of Investigation (FBI) National Executive Institute’s 39th Session, the FBI National Academy’s 213th Session, and the Leadership in Counter-Terrorism Program administered by the FBI National Academy. 

Mr. Michaud has received numerous awards, including the Governor General’s medal for academic achievements, the Queen’s Jubilee and RCMP Long Service medals. In January 2014, he was appointed to Canada’s Officer of the Order of Merit of the Police Forces.

Nóirín O'Sullivan

Assistant Secretary-General for Safety and Security

Nóirín O'Sullivan of Ireland was nominated as the Assistant Secretary-General for Safety and Security, on 31 October 2018.

As deputy to the Under-Secretary-General for Safety and Security (USG/DSS), the Assistant Secretary-General is responsible for the day-to-day overall management of the Department and supporting the USG in the overall leadership and management of the Department.

Ms. O’Sullivan has over 36 years of experience in the international law enforcement and security environment and most recently held the position of Garda Commissioner of An Garda Síochána in Ireland.  Prior to that, she was the Interim Acting Commissioner of An Garda Síochána, responsible for advising the Minister of Justice and the Government of Ireland on all matters pertaining to national security and policing.  Ms. O’Sullivan began her career with An Garda Síochána in Ireland in June 1981 and progressed through the ranks, holding various operational and managerial positions since then.

Ms. O’Sullivan brings to the role her extensive experience in international safety and security management, strategic management and leadership.  She is a leader in partnership building, leading teams and able to manage complexity and to drive strategic change.  She also brings an in-depth knowledge of international security, crisis management, strategic and institutional leadership and gender issues to the position.

Born in Ireland in 1960, Ms. O’Sullivan holds a Master of Business Studies (MBS) in Strategic Management and Planning from the Michael Smurfit School of Business, University College Dublin and a Bachelor of Arts in Police Management by Garda College and University of Limerick.  She holds an Honorary Doctorate of Laws from the University of Ulster.

Ms. O’Sullivan is married and has three sons.