Sarah MacIntosh

Sarah MacIntosh
High Commissioner of the United Kingdom to Australia
Assumed office
April 2025
MonarchCharles III
Prime MinisterKeir Starmer
Preceded byVictoria Treadell
Deputy National Security Adviser and Prime Minister’s Adviser on Foreign Affairs
In office
2022–2024
MonarchsElizabeth II
Charles III
Prime MinisterBoris Johnson
Liz Truss
Rishi Sunak
Keir Starmer
Preceded bySir David Quarrey (Deputy National Security Adviser and Prime Minister’s Adviser on International Affairs)
Permanent Representative of the United Kingdom to NATO
In office
2017–2022
MonarchElizabeth II
Prime MinisterTheresa May
Boris Johnson
Preceded byPaul Johnston (acting)
Succeeded byDavid Quarrey
British High Commissioner to Sierra Leone
British Ambassador to Liberia
In office
2006–2008
MonarchElizabeth II
Prime MinisterTony Blair
Gordon Brown
Preceded byJohn Mitchiner
Succeeded byIan Hughes
Personal details
Born (1969-08-07) 7 August 1969

Dame Sarah MacIntosh DCMG (born 7 August 1969) is a British diplomat currently appointed British High Commissioner to Australia and Head of the United Kingdom’s Oceania Network from April 2025. She previously served as the Deputy National Security Adviser and Prime Minister’s Adviser on Foreign Affairs from 2022 to 2024 and prior to that as High Commissioner to Sierra Leone, Ambassador to Liberia and British Ambassador to NATO from 2017 to 2022.