Principal Private Secretary to the Prime Minister appointed by Theresa May on 10 May 2017. During Tony Blair's administration, he modified the law under which the Civil Service operated to create the role of Downing Street Chief of Staff, which though held by a political advisor outranked the Principal Private Secretary. When Gordon Brown ascended to office, he reversed the change to the Civil Service law. When David Cameron became Prime Minister, he promoted the then-PPS to a new post of "Permanent Secretary, Downing Street", a position which took over heading the Prime Minister's Office. In 2012, the postholder, Jeremy Heywood, was appointed as Cabinet Secretary, this
Minister of State for Commonwealth Relations Minister of State for Commonwealth Relations The Minister of State for Commonwealth Relations was a ministerial post in the Government of the United Kingdom from 1947 until 1966. The holder was responsible for assisting the Secretary of State for Commonwealth Relations in dealing with British relationships with members of the Commonwealth of Nations (its former colonies). After 1966 the post was merged with the Minister of State for the Colonies and became the Minister of State for Commonwealth Affairs. "Arthur Henderson held the post for less than two months before the position was abolished. It was then recreated in 1959."