General
A general officer is an Officer (armed forces), officer of high rank in the army, armies, and in some nations' air force, air and space forces, marines or naval infantry.
In some usages, the term "general officer" refers to a rank above colone ...
Sir Peter John Cosgrove, (born 28 July 1947) is an Australian retired senior
Army
An army, ground force or land force is an armed force that fights primarily on land. In the broadest sense, it is the land-based military branch, service branch or armed service of a nation or country. It may also include aviation assets by ...
officer who served as the 26th
governor-general of Australia, in office from 2014 to 2019.
A graduate of the
Royal Military College, Duntroon
The Royal Military College, Duntroon, also known simply as Duntroon, is the Australian Army's Officer (armed forces), officer training establishment. It was founded at Duntroon, Australian Capital Territory, Duntroon in Canberra, Australian Capi ...
, Cosgrove fought in the
Vietnam War
The Vietnam War (1 November 1955 – 30 April 1975) was an armed conflict in Vietnam, Laos, and Cambodia fought between North Vietnam (Democratic Republic of Vietnam) and South Vietnam (Republic of Vietnam) and their allies. North Vietnam w ...
, receiving the
Military Cross
The Military Cross (MC) is the third-level (second-level until 1993) military decoration awarded to officers and (since 1993) Other ranks (UK), other ranks of the British Armed Forces, and formerly awarded to officers of other Commonwealth of ...
in 1971. From 1983 to 1984, he was commander of the
1st Battalion, Royal Australian Regiment
1st Battalion, Royal Australian Regiment (1 RAR) is a regular motorised infantry battalion of the Australian Army. 1 RAR was first formed as the 65th Australian Infantry Battalion of the 34th Brigade (Australia) on Balikpapan in 1945 and since ...
, and he later served as commander of the
6th Brigade and the
1st Division. Cosgrove rose to prominence in 1999, when he served as commander of the
International Force for East Timor
The International Force East Timor (INTERFET) was a multinational non-United Nations peacemaking task force, organised and led by Australia in accordance with United Nations resolutions to address the humanitarian and security crisis that took ...
(INTERFET), which oversaw the peacekeeping mission in
East Timor
Timor-Leste, also known as East Timor, officially the Democratic Republic of Timor-Leste, is a country in Southeast Asia. It comprises the eastern half of the island of Timor, the coastal exclave of Oecusse in the island's northwest, and ...
during its transition to independence. He is also an alumnus of
National Defence College, India.
Cosgrove was Australia's
Chief of Army from 2000 to 2002 and
Chief of the Defence Force from 2002 to 2005, receiving corresponding promotions to
lieutenant general
Lieutenant general (Lt Gen, LTG and similar) is a military rank used in many countries. The rank traces its origins to the Middle Ages, where the title of lieutenant general was held by the second-in-command on the battlefield, who was norma ...
and general. Cosgrove retired from active service following the end of his term as Chief of the Defence Force, and subsequently served as leader of a taskforce helping to rebuild communities in
Queensland
Queensland ( , commonly abbreviated as Qld) is a States and territories of Australia, state in northeastern Australia, and is the second-largest and third-most populous state in Australia. It is bordered by the Northern Territory, South Austr ...
after
Cyclone Larry in 2006. In January 2014, Cosgrove was named to succeed
Dame Quentin Bryce as Governor-General of Australia. He was sworn in on 28 March 2014 and made a
Knight of the Order of Australia on the same date. Cosgrove retired on 1 July 2019 and was succeeded by General
David Hurley
David John Hurley (born 26 August 1953) is an Australian former senior officer in the Australian Army who served as the 27th governor-general of Australia from 2019 to 2024. He was previously the 38th governor of New South Wales from 2014 to ...
.
Early life and education
Cosgrove was born in Sydney, New South Wales, on 28 July 1947. He was educated at
Waverley College in Sydney, then followed his father, a
warrant officer
Warrant officer (WO) is a Military rank, rank or category of ranks in the armed forces of many countries. Depending on the country, service, or historical context, warrant officers are sometimes classified as the most junior of the commissioned ...
, into the
Australian Army
The Australian Army is the principal Army, land warfare force of Australia. It is a part of the Australian Defence Force (ADF), along with the Royal Australian Navy and the Royal Australian Air Force. The Army is commanded by the Chief of Army ...
by attending the
Royal Military College, Duntroon
The Royal Military College, Duntroon, also known simply as Duntroon, is the Australian Army's Officer (armed forces), officer training establishment. It was founded at Duntroon, Australian Capital Territory, Duntroon in Canberra, Australian Capi ...
in 1965. Cosgrove's uncle,
Bill Cosgrove, was a professional
Australian rules football
Australian football, also called Australian rules football or Aussie rules, or more simply football or footy, is a contact sport played between two teams of 18 players on an Australian rules football playing field, oval field, often a modified ...
player, but was
killed in action
Killed in action (KIA) is a casualty classification generally used by militaries to describe the deaths of their personnel at the hands of enemy or hostile forces at the moment of action. The United States Department of Defense, for example, ...
while serving with the
Royal Australian Air Force
The Royal Australian Air Force (RAAF) is the principal Air force, aerial warfare force of Australia, a part of the Australian Defence Force (ADF) along with the Royal Australian Navy and the Australian Army. Constitutionally the Governor-Gener ...
during
World War II
World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
. Cosgrove class of 1964 spent time in
Waverley College's Cadet Unit, as a cadet he was Adjutant CUO P. Cosgrove and tied for the Major General JA Chapman Cane for the most efficient cadet in the Unit. Years later the cadet unit has named an award after Cosgrove, the General Cosgrove Shield (for the most efficient Speciality in the Cadet Unit) each year to honour the achievements of the most senior ranking officer to graduate.
Military service
Cosgrove was appointed a probationary second lieutenant in August 1968 while attached to a regular army unit, and was commissioned a lieutenant on 11 December 1968.
He was allotted to the
Royal Australian Infantry. He arrived in
South Vietnam
South Vietnam, officially the Republic of Vietnam (RVN; , VNCH), was a country in Southeast Asia that existed from 1955 to 1975. It first garnered Diplomatic recognition, international recognition in 1949 as the State of Vietnam within the ...
on 3 August 1969 and was posted to
9th Battalion, Royal Australian Regiment on 20 August 1969. On 10 October 1969, Lieutenant Cosgrove was commanding 5 Platoon, B Company. The platoon located an occupied bunker system in an area where, because of the proximity of allied troops, indirect fire support was difficult to obtain. In spite of this, he led his platoon in an assault on the bunkers without indirect fire support, capturing the system and killing and wounding at least four enemy without sustaining any casualties. On 16 October 1969, 5 Platoon located another bunker system occupied by about a platoon of enemy. Lieutenant Cosgrove silently deployed his own platoon for an attack. His assault completely surprised the enemy causing them to flee, abandoning large quantities of food, stores and documents. The following day in the same bunker system a party of enemy approached his right forward section and was engaged by the sentry. Knowing that the remainder of the section was elsewhere on other tasks, Lieutenant Cosgrove ran to the contact area and personally conducted the fight against the enemy. As a result of his actions, two enemy were killed and three weapons and four packs containing rice were captured. He was awarded the
Military Cross
The Military Cross (MC) is the third-level (second-level until 1993) military decoration awarded to officers and (since 1993) Other ranks (UK), other ranks of the British Armed Forces, and formerly awarded to officers of other Commonwealth of ...
for these actions.
Cosgrove was promoted to the temporary rank of captain on 21 September 1970,
and was appointed an
aide-de-camp to the then-Governor-General
Paul Hasluck on 20 December 1971.
He was promoted to substantive captain on 31 October 1974 (seniority from 13 July),
to temporary major on 2 January 1976 and to substantive major on 11 December 1978.
In 1980 he was awarded the
National Medal,
and was promoted to lieutenant-colonel on 7 December 1981.
In the mid-1980s he commanded the
1st Battalion, Royal Australian Regiment
1st Battalion, Royal Australian Regiment (1 RAR) is a regular motorised infantry battalion of the Australian Army. 1 RAR was first formed as the 65th Australian Infantry Battalion of the 34th Brigade (Australia) on Balikpapan in 1945 and since ...
.
Cosgrove came to national fame in 1999 when, as a
major general, he led the international forces (
INTERFET) in a peacekeeping mission to
East Timor
Timor-Leste, also known as East Timor, officially the Democratic Republic of Timor-Leste, is a country in Southeast Asia. It comprises the eastern half of the island of Timor, the coastal exclave of Oecusse in the island's northwest, and ...
. The mission's success made him one of Australia's most respected and popular military leaders.
He returned to Australia in 2000 as
Land Commander Australia, was promoted to
lieutenant general
Lieutenant general (Lt Gen, LTG and similar) is a military rank used in many countries. The rank traces its origins to the Middle Ages, where the title of lieutenant general was held by the second-in-command on the battlefield, who was norma ...
in July and appointed
Chief of the Army and, in 2002, was advanced to
general
A general officer is an Officer (armed forces), officer of high rank in the army, armies, and in some nations' air force, air and space forces, marines or naval infantry.
In some usages, the term "general officer" refers to a rank above colone ...
as
Chief of the Defence Force.
In 2004, the Foreign Minister
Alexander Downer queried the judgement of
Federal Police Commissioner Mick Keelty.
Following a joint interview with the then Defence Minister
Robert Hill, Cosgrove was accused of "playing politics" when he said that, on this occasion, he disagreed with Keelty's point of view. However, Cosgrove expressed strong support for the Police Commissioner in his Australian best selling autobiography, ''My Story'', published in 2006.
On 3 July 2005, Cosgrove's three-year appointment as Chief of the Defence Force was completed, and he was succeeded by then-
Chief of Air Force Air Marshal
Angus Houston
Air chief marshal (Australia), Air Chief Marshal Sir Allan Grant "Angus" Houston, (born 9 June 1947) is a retired senior officer of the Royal Australian Air Force. He served as Chief of Air Force (Australia), Chief of Air Force from 20 June 2 ...
.
Post-military career
Cyclone Larry Taskforce
On 23 March 2006, Cosgrove was selected to lead the
Queensland Government
The Queensland Government is the state government of Queensland, Australia, a Parliament, parliamentary constitutional monarchy. Government is formed by the party or coalition that has gained a majority in the Queensland Legislative Assembly, ...
taskforce of rebuilding communities damaged by
Cyclone Larry, a
Category 5 tropical cyclone that devastated the
Innisfail region of northern
Queensland
Queensland ( , commonly abbreviated as Qld) is a States and territories of Australia, state in northeastern Australia, and is the second-largest and third-most populous state in Australia. It is bordered by the Northern Territory, South Austr ...
.
"In recognition of the important contribution General Cosgrove made to the community of North Queensland following Cyclone Larry", on 11 October 2008,
Queensland Premier Anna Bligh
Anna Maria Bligh (born 14 July 1960) is an Australian lobbyist and former politician who served as the 37th Premier of Queensland, in office from 2007 to 2012 as leader of the Queensland Australian Labor Party (Queensland Branch), Labor Party. ...
announced that a new residential suburb in the
Bohle Plains area of
Townsville
The City of Townsville is a city on the north-eastern coast of Queensland, Australia. With a population of 201,313 as of 2024, it is the largest settlement in North Queensland and Northern Australia (specifically, the parts of Australia north of ...
would be named Cosgrove, formerly the site of an Abattoir for the cattle sale yards next to it.
Corporate leadership and community organisations
Cosgrove served on the board of Australia's main airline
Qantas
Qantas ( ), formally Qantas Airways Limited, is the flag carrier of Australia, and the largest airline by fleet size, international flights, and international destinations in Australia and List of largest airlines in Oceania, Oceania. A foundi ...
between July 2005 and January 2014 and is on numerous other boards as chairman or member. He served as
Chancellor
Chancellor () is a title of various official positions in the governments of many countries. The original chancellors were the of Roman courts of justice—ushers, who sat at the (lattice work screens) of a basilica (court hall), which separa ...
of the
Australian Catholic University
Australian Catholic University (ACU) is a public university in Australia. It has seven Australian campuses and also maintains a campus in Rome.
History
Australian Catholic University was opened on 1 January 1991 following the amalgamation ...
between November 2010
and January 2014;
and is Honorary Patron of the
ACT Veterans Rugby Club and the Rosies Youth Mission.
Peter Cosgrove was appointed as Patron to the Australian Volunteer Coast Guard Association in 2015.
Governor-General

On 28 January 2014, Prime Minister
Tony Abbott
Anthony John Abbott (; born 4 November 1957) is an Australian former politician who served as the 28th prime minister of Australia from 2013 to 2015. He held office as the leader of the Liberal Party of Australia and was the member of parli ...
announced that
Queen Elizabeth II
Elizabeth II (Elizabeth Alexandra Mary; 21 April 19268 September 2022) was Queen of the United Kingdom and other Commonwealth realms from 6 February 1952 until Death and state funeral of Elizabeth II, her death in 2022. ...
had accepted his advice to appoint General Peter Cosgrove as the next
Governor-General of Australia, to succeed
Dame Quentin Bryce in late March. On 25 March, Abbott announced that the Queen had also approved the reinstatement of the grade of
Knight or Dame in the
Order of Australia
The Order of Australia is an Australian honours and awards system, Australian honour that recognises Australian citizens and other persons for outstanding achievement and service. It was established on 14 February 1975 by Elizabeth II, Monarch ...
(she had abolished it in 1986 on the advice of
Bob Hawke
Robert James Lee Hawke (9 December 1929 – 16 May 2019) was an Australian politician and trade unionist who served as the 23rd prime minister of Australia from 1983 to 1991. He held office as the Australian Labor Party, leader of the La ...
), and that governors-general would be ''ex officio'' the Principal Knight or Dame of the Order.
The incumbent, Quentin Bryce, was immediately made the first new Dame of the Order. On 28 March, Cosgrove succeeded Dame Quentin and was sworn in as Governor-General by Chief Justice
Robert French, becoming Sir Peter Cosgrove.
Former headmaster of Waverley College, Ray Paxton, states "In choosing Sir Peter Cosgrove for Governor General, Australia has honoured a remarkable man". During his time as Governor-General, Sir Peter Cosgrove was a supporter for the Lung Foundation Australia.
On 16 December 2018, Prime Minister
Scott Morrison
Scott John Morrison (born 13 May 1968) is an Australian former politician who served as the 30th prime minister of Australia from 2018 to 2022. He held office as leader of the Liberal Party of Australia, leader of the Liberal Party and was ...
announced that The Queen had approved the appointment of retired General
David Hurley
David John Hurley (born 26 August 1953) is an Australian former senior officer in the Australian Army who served as the 27th governor-general of Australia from 2019 to 2024. He was previously the 38th governor of New South Wales from 2014 to ...
, the current
Governor of New South Wales
The governor of New South Wales is the representative of the monarch, King Charles III, in the state of New South Wales. In an analogous way to the governor-general of Australia, Governor-General of Australia at the national level, the governor ...
, as the next Governor-General of Australia, commencing in July 2019, and that Cosgrove's term would be extended until that time to ensure smooth transitions following the
New South Wales election in March and
federal election expected in May 2019.
On 12 August 2019, during a post appointment call upon
the Queen, Cosgrove was appointed a
Commander of the Royal Victorian Order
The Royal Victorian Order () is a dynastic order of knighthood established in 1896 by Queen Victoria. It recognises distinguished personal service to the monarch, members of the royal family, or to any viceroy or senior representative of the ...
.
During the
Coronation of Charles III and Camilla
The Coronation of the British monarch, coronation of Charles III and his wife, Queen Camilla, Camilla, as Monarchy of the United Kingdom, king and List of British royal consorts, queen of the United Kingdom and the 14 other Commonwealth re ...
, with the
Governor-General of Australia and all of the state governors in London, Cosgrove served as the
Administrator of the Commonwealth from 30 April to 10 May 2023.
Personal life
Cosgrove married Lynne Payne in 1976;
they have three sons and four grandchildren. Cosgrove is a Roman Catholic and frequently attends Mass in
St Christopher's Cathedral, Canberra.
Cosgrove is a strong supporter and member of the
Sydney Roosters
Eastern Suburbs District Rugby League Football Club, known as the Sydney Roosters are an Australian professional rugby league football club based in Sydney's Eastern Suburbs (Sydney), Eastern Suburbs. The club competes in the National Rugby Lea ...
. He is also a keen follower of
cricket
Cricket is a Bat-and-ball games, bat-and-ball game played between two Sports team, teams of eleven players on a cricket field, field, at the centre of which is a cricket pitch, pitch with a wicket at each end, each comprising two Bail (cr ...
and
rugby union
Rugby union football, commonly known simply as rugby union in English-speaking countries and rugby 15/XV in non-English-speaking world, Anglophone Europe, or often just rugby, is a Contact sport#Terminology, close-contact team sport that orig ...
.
His memoir, ''You shouldn't have joined ...'', was published by Allen & Unwin in 2020.
Honours and awards
Honorary appointments
* 2022–Present: Patron of the
Australian Defence Force Cadets
* 2014–2019: Colonel-in-Chief of the
Royal Australian Army Medical Corps
The Royal Australian Army Medical Corps (RAAMC) is the branch of the Australian Army responsible for providing medical care to Army personnel. The AAMC was formed in 1902 through the amalgamation of medical units of the various Australian colon ...
* 2014–2019: Colonel of the Regiment of the
Royal Australian Regiment
The Royal Australian Regiment (RAR) is the parent administrative regiment for regular infantry battalions of the Australian Army and is the senior infantry regiment of the Royal Australian Infantry Corps. It was originally formed in 1948 as a t ...
* 2014–2019:
Chief Scout of Australia
* 2014–2019:
Prior of the Order of St John
Honorary degrees
Victoria:
*2016 Doctor of Laws (honoris causa),
Monash University
Monash University () is a public university, public research university based in Melbourne, Victoria (state), Victoria, Australia. Named after World War I general Sir John Monash, it was founded in 1958 and is the second oldest university in the ...
Named in his honour
* the suburb of
Cosgrove in the
City of Townsville
The City of Townsville is a local government area (LGA) located in North Queensland, Australia. It encompasses the city of Townsville, together with the surrounding rural areas. To the south are the communities of Alligator Creek, Woodstock a ...
, Queensland
*The Cosgrove Centre,
Waverley College, Sydney, New South Wales
See also
*
List of governors-general of Australia
The Governor-General of Australia, governor-general of Australia is the federal representative of the Monarchy of Australia, Australian monarch (currently Charles III). The position came into being on 29 October 1900 with the establishment of t ...
*
List of Australian of the Year Award recipients
References
External links
Cosgrove bio Australian War Memorial
Cosgrove bio, www.icmi.com.au
www.diggerhistory.info
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{{DEFAULTSORT:Cosgrove, Peter
1947 births
Australian Commanders of the Royal Victorian Order
Australian expatriates in India
Australian autobiographers
Australian memoirists
Australian generals
Australian military personnel of the International Force for East Timor
Australian military personnel of the Vietnam War
Australian of the Year Award winners
Australian people of Irish descent
Australian recipients of the Military Cross
Australian Roman Catholics
Chiefs of Army (Australia)
Chiefs of the Defence Force (Australia)
Collars of the Order of the Liberator General San Martin
Commanders of the Legion of Merit
Companions of the New Zealand Order of Merit
Governors-general of Australia
Grand Crosses of the Order of Prince Henry
Knights Grand Cross of the Order of St Gregory the Great
Knights of the Order of Australia
Living people
Officers of the Legion of Honour
Order of National Security Merit members
Military personnel from Sydney
Recipients of the Darjah Utama Bakti Cemerlang (Tentera)
Recipients of the Order of Military Merit (South Korea)
Recipients of the Order of Timor-Leste
Royal Military College, Duntroon graduates
Australian monarchists
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21st-century Australian military personnel