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
Civil Service of the People's Republic of China areas such as transportation, housing, and healthcare. The ranks also serve as a rough order of precedence when dictating official protocol when multiple officials attend the same event. The current civil service ranking system has 27 different ranks (from previously of total 15 levels) and a grade ("dangci") system within each rank (at most 14 grades for each rank) to reflect seniority and performance; a combination of rank and "dangci" ultimately determine pay and benefits. The 27 ranks are sub-divisions of 11 "levels". The following is a non-exhaustive list of party and state positions corresponding to their civil service rank.