As well as being arch chancellors of the Holy Roman Empire after the 9th century, bishops generally served as chancellors to medieval monarchs, acting as head of the justiciary and chief chaplain.

Allan Huber " Bud " Selig (; born July 30, 1934 ) is the ninth and current Commissioner of Major League Baseball, having served in that capacity since 1992 as the acting commissioner, and as the official commissioner since 1998.

Attlee served as acting leader for nine months from December 1933, after Lansbury fractured his thigh in an accident.

His father was a wealthy planter who had served as an acting governor of the Province of South Carolina.

Philby's Russian was never good and he soon took a job at a monthly magazine, the World Review of Reviews, for which he wrote articles and letters ( sometimes under pseudonyms ) and occasionally served as acting editor.

He simultaneously administered vast sections of the Soviet state and served as de facto Marshal of the Soviet Union in command of the NKVD field units responsible for anti-partisan operations on the Eastern Front during World War II, as well as for acting as barrier troops and the apprehension of thousands of " turncoats, deserters, cowards and suspected malingerers ".

He then began an amateur Off-Broadway acting career in New York City and served as an understudy in Broadway productions.

Nigerian officers have served as chiefs of defence in other countries, with Brigadier General Maxwell Khobe serving as Sierra Leone chief of staff in 1998 – 1999, and Nigerian officers acting as Command Officer-in-Charge of the Armed Forces of Liberia from at least 2007.

Fourteen persons have officially held the position ( in addition to three acting directors who served temporarily ).

Under Pope Clement III and Pope Celestine III he was treasurer of the Roman Church, notably compiling the Liber Censuum, and served as acting Vice-Chancellor of the Holy Roman Church from 1194 until 1198.

It also prohibits a person from being elected to the presidency more than once if that person previously had served as president, or acting president, for more than two years of another person's term as president.

On his father's side, he was descended from Samuel Willard, who served as acting President of Harvard University from 1701 to 1707.

He had also served briefly as Minister of Economics and as acting Foreign Minister.

John M. Patton, a great-grandfather, was a lawyer and politician who had served as acting governor of Virginia.

Patton served as the acting division commander from November 1940 until April 1941.

Massamba-Débat, whose powers had been curtailed by the CNR, resigned on September 4, and Prime Minister Alfred Raoul served as acting head of state until December 31, 1968, when the CNR formally became the country's supreme authority and Ngouabi, as head of the CNR, assumed the presidency.

After Lloyd sustained a season-ending injury in Round 3 of 2006, Hird served briefly as acting captain until young ruckman David Hille was named captain for the remainder of the 2006 season.

He returned to England in 1913 and during World War I served as a Captain ( acting ) with the 10th Battalion, Middlesex Regiment, part of The Princess of Wales's Royal Regiment ( Queen's and Royal Hampshires ).

This winding usually served a dual role, acting also as a choke coil, filtering the power supply of the amplifier that the loudspeaker was connected to.

He served briefly as the first head of state of the new republic in 1917, and from 1923-24 the acting Premier in the last year of Vladimir Lenin's life.

He was commissioned as an acting Pilot Officer, and on the outbreak of war he served in the RAF full time.

At the outbreak of the Second World War, Hartnell served in the Tank Corps, but was invalided out after eighteen months as the result of suffering a nervous breakdown, and he returned to acting.

Lyons served as acting Treasurer from August 1930 to January 1931 while Scullin was in Britain for the Imperial Conference.

Trevor Hindmarch served three years in the Australian Army Reserve, spent many years acting on stage and television and has been running his own business in the Australian Thoroughbred Racing Industry for the past fourteen years, " Hindmarch Racing ", and has developed his successful Profiler horse racing software used and recommended by horse trainers and full-time investors alike.

However, Ben-Gurion temporarily served as acting prime minister when Sharett visited the United States in 1955.

Prime Minister Pedro Pires sent FARP soldiers to Angola where they served as the personal bodyguards of Angolan President José Eduardo dos Santos.

Kerensky served as the second Prime Minister of the Russian Provisional Government until overthrown in the October Revolution.

He served in government in four decades, twice as Prime Minister of the United Kingdom.

Robert James Lee " Bob " Hawke AC GCL ( born 9 December 1929 ) is a former Australian politician who served as the 23rd Prime Minister of Australia from 1983 to 1991.

Prime Minister Pedro Pires sent FARP soldiers to Angola where they served as the personal bodyguards of Angolan President José Eduardo dos Santos.

Clement Richard Attlee, 1st Earl Attlee, KG, OM, CH, PC, FRS ( 3 January 1883 – 8 October 1967 ) was a British Labour politician who served as the Prime Minister of the United Kingdom from 1945 to 1951, and as the Leader of the Labour Party from 1935 to 1955.

Former Egyptian Deputy Prime Minister Boutros Boutros-Ghali served as Secretary General of the United Nations from 1991 to 1996.

Egyptian Deputy Prime Minister Boutros Boutros-Ghali served as Secretary General of the United Nations from 1991 to 1996.

Lord Aberdeen was a distinguished diplomat and statesman and served as Foreign Secretary from 1828 to 1830 and from 1841 to 1846 and as Prime Minister of the United Kingdom from 1852 to 1855.

He also served as Prime Minister of Albania from 1944 to 1954 and at various times served as foreign minister and defence minister as well.

The first democratic elections since 1976 were held in December 1984 and were won by the Grenada National Party under Herbert Blaize who won 14 out of 15 seats in elections and served as Prime Minister until his death in December 1989.

Braithwaite resigned in Feb 1995 and was succeeded as Prime Minister by George Brizan who served until the Jun 1995 election.

Mitchell went on to win the 2003 elections with a reduced majority of 8 of the 15 seats and served as Prime Minister for a record 13 years until his defeat in 2008.

Former Vice President, Deputy Prime Minister, and Attorney General Mohamed Shahabuddeen served a 9-year term on the International Court of Justice ( 1987 – 96 ).

George Hamilton-Gordon, 4th Earl of Aberdeen ( 28 January 1784 – 14 December 1860 ), styled Lord Haddo from 1791 to 1801, was a British politician and landowner, successively a Tory, Conservative and Peelite, who served as Prime Minister of the United Kingdom from 1852 until 1855.

She served three terms as Prime Minister of Norway ( 1981, 1986 – 89, 1990 – 96 ), and has served as the Director General of the World Health Organization.

She served as Prime Minister from February to October in 1981.

He had served as Prime Minister under King Charles III of Spain from 1777 until 1792 ; now he served as President of the Central Junta.

However, Jovellanos had been imprisoned by Manuel de Godoy, Duke of Alcudia, who had served as Prime Minister of Spain and virtually ran the country as a dictator from 1792 until 1798 and from 1801 until 1808.

He was appointed to the prestigious portfolios of Minister for Labour and National Service ( 1949 – 1958 ; he had previously served in this portfolio 1940 – 41 ) and Minister for Immigration ( 1949 – 1956 ), by which time he was being touted in the press as a " certain successor to Menzies and a potential Prime Minister ".

While Victor Emmanuel ruled as king, Shefqet Bej Verlaci served as the Prime Minister.

Pandeli Majko was then elected Prime Minister, and he served in this post until November 1999, when he was replaced by Ilir Meta.