Principal Private Secretary to the Prime Minister of the United Kingdom



Principal Private Secretary
to the Prime Minister
Royal Arms as used by His Majesty's Government
Incumbent
Dan York-Smith
since 1 September 2025
Prime Minister's Office
Reports toPrime Minister
NominatorPrime Minister
AppointerPrime Minister
Formation1757
Website10 Downing Street

The Principal Private Secretary to the Prime Minister of the United Kingdom is a senior official in the civil service of the United Kingdom. As a principal private secretary, they are traditionally responsible for running the prime minister's private office in 10 Downing Street. In the Civil Service, the role is currently graded as director general.

The current principal private secretary is Dan York-Smith.