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 Republic of Ireland of State", of which there are fifteen; one for each Minister of the Government. The permanent head of a department is known as the Secretary General (equivalent to a Permanent Secretary in the British Civil Service). The head of the civil service is the Secretary General to the Government, who is also Secretary General of the Department of the Taoiseach. The largest reform of the civil service occurred in 1984 when the abolition of the Department of Posts and Telegraphs led to the halving of civil service numbers. The affected personnel, mainly postal and telecommunications workers, were transferred to An