Dame Sarah MacIntosh DCMG
Biography
Dame Sarah MacIntosh DCMG was appointed British High Commissioner to Australia and Head of the United Kingdom鈥檚 Oceania Network in April 2025. Previously she has served as Deputy National Security Adviser and Prime Minister鈥檚 Adviser on Foreign Affairs from 2022 to 2024, and as the United Kingdom鈥檚 Ambassador and Permanent Representative to NATO from 2017 to 2022.
Sarah joined the FCDO in 1991. Previous appointments include Director General, Defence and Intelligence (2014-2017); Director, Defence and International Security (2011-2014); Director, Strategic Finance (2009-2010); Her Majesty鈥檚 High Commissioner to Sierra Leone and Her Majesty鈥檚 Ambassador to Liberia (2006-2008); and the Strategy Co-ordinator for the UN Mission in Kosovo (2004-2005).
Sarah has also been posted to the UK Mission to the United Nations at New York; the UK Mission to the International Atomic Energy Agency at Vienna; and the British Embassy Madrid.
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British High Commissioner to Australia
The High Commissioner is the UK government鈥檚 representative in a Commonwealth nation. They are responsible for the direction and work of the High Commission and its Deputy High Commissions and/or Consulates, including political work, trade and investment, press and cultural relations, and visa and consular services.
Previous roles in government
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UK Permanent Representative to NATO
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Director General, Consular and Security