In November 2021 Caroline Millar commenced as Australia’s Ambassador to the European Union, North Atlantic Treaty Organization, Belgium and Luxembourg.
A senior career officer from the Department of Foreign Affairs and Trade (DFAT), Ambassador Millar has extensive experience in international security and multilateral issues. She served most recently as Deputy Secretary for National Security and International Policy in the Department of Prime Minister and Cabinet (2018-21) in which role she was also Sherpa for the Quad Leaders’ Summit. Ambassador Millar was Deputy Secretary, International Security, Humanitarian and Consular Group in DFAT in 2018. From October 2017 to March 2018 she served as Chargé d'Affaires a.i. at the Australian Embassy to Belgium and Luxembourg and Australia’s Missions to the European Union and NATO. From 2014 to 2017 Ambassador Millar was Deputy Head of Mission at the Australian Embassy in Washington. Previously in Canberra she served as First Assistant Secretary, International Security Division (2013) and Head of the United Nations Security Council Taskforce (2010-2012) before which she was the Ambassador to the United Nations at Geneva and Ambassador for Disarmament (2006-2010).
Ms Millar previously served as Australian Ambassador for People Smuggling Issues and head of the International Organisations and Legal Division. Earlier in her career she was seconded to the Australian Office of National Assessments as Senior Americas Analyst and also posted to the Australian Mission to the United Nations in New York and Australia’s Embassies in Washington and Hanoi.
Ms Millar was educated at the University of Cambridge and holds a MA/BA (Hons) degree in history.