Peter Costello

Peter Costello
Official portrait, 2004
Treasurer of Australia
In office
11 March 1996 – 3 December 2007
Prime MinisterJohn Howard
Preceded byRalph Willis
Succeeded byWayne Swan
Deputy Leader of the Liberal Party
In office
23 May 1994 – 29 November 2007
LeaderAlexander Downer
John Howard
Preceded byMichael Wooldridge
Succeeded byJulie Bishop
Member of the Australian Parliament
for Higgins
In office
24 March 1990 – 19 October 2009
Preceded byRoger Shipton
Succeeded byKelly O'Dwyer
Personal details
BornPeter Howard Costello
(1957-08-14) 14 August 1957
Melbourne, Victoria, Australia
PartyLiberal
Other political
affiliations
Coalition
Spouse
Tanya Coleman
(m. 1982)
Children3
RelativesTim Costello (brother)
Patrick Costello
EducationCarey Baptist Grammar School
Alma materMonash University
ProfessionBarrister
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Peter Howard Costello (born 14 August 1957) is an Australian former politician and barrister who served as the treasurer of Australia from 1996 to 2007 and the deputy leader of the Liberal Party from 1994 to 2007. He was the member of parliament (MP) for the Victorian division of Higgins from 1990 to 2009.

In 2008, Costello was appointed as chairman of the World Bank's new Independent Advisory Board (IAB) to provide advice on anti-corruption measures. He served as Chairman of Nine Entertainment from 2016 until 2024. Costello is Chairman of the Board of Guardians of Australian Future Fund.