Principal Private Secretary to the Prime Minister

The Principal Private Secretary to the Prime Minister (PPS to the PM) is a senior official of the British Civil Service who acts as Principal Private Secretary to the Prime Minister of the United Kingdom. The holder of this office was formerly the head of the Prime Minister's Office, during Tony Blair's premiership was subordinate to the Prime Minister's Chief of Staff. However, on the 27 June 2007, incoming Prime Minister Gordon Brown appointed Tom Scholar as both Principal Private Secretary and Chief of Staff. So far no woman has ever occupied the office. As of 2010 this post is a subordinate officer in the Prime Minister's Office to the Downing Street Permanent Secretary.^[1]

List of Principal Private Secretaries to the Prime Minister (from 1757, incomplete)

Downing Street

Buildings	9 Downing Street · 10 Downing Street · 11 Downing Street · 12 Downing Street · Cabinet Office · Foreign and Commonwealth Office

Residence	First Lord of the Treasury (Prime Minister) · Second Lord of the Treasury (Chancellor of the Exchequer) · Government Chief Whip · Chief Mouser to the Cabinet Office (The Cat)

Prime Minister's Office	Downing Street Chief of Staff · Principal Private Secretary to the Prime Minister · Prime Minister's Strategy Unit · Number 10 Policy Unit

Government Offices located in Downing Street	Prime Minister's Office · Privy Council Office · Cabinet Office · Foreign and Commonwealth Office · Chief Whip's Office

Other	1991 mortar attack · Cabinet Office Briefing Room (COBR)