Guy Barnett (Australian politician)

Barnett was born on 5 April 1962 in Launceston, Tasmania.^[1] He is the son of Sallie Sinclair (née Thyne) and John Barnett, a sheep farmer. His father died of motor neurone disease in 1985 and his mother was a founder of the Motor Neurone Disease Association of Tasmania.^[2] She later remarried to businessman Raymond Ferrall.^[3]

Barnett was raised at Quamby Estate, his parents' historic grazing property near Hagley.^[2] He attended the Launceston Church Grammar School and Geelong Grammar School. He gained a Bachelor of Laws and later a Master of Laws (Environmental Law) from the University of Tasmania. While at university, he served as president of the University of Tasmania Liberal Club.^[4]

Barnett worked as a lawyer after graduating, including in Washington, D.C. as a consultant at Taft Stettinius & Hollister. He was a senior adviser to Tasmanian premier Robin Gray from 1988 to 1989 and was later managing director of Guy Barnett and Associates, a political and public relations consultancy, from 1989 to 2002.^[1] He was an accomplished real tennis player, competing in the doubles event of the 1998 Australian Open.

Barnett was appointed to the Senate on 26 February 2002 to fill a casual vacancy caused by the resignation of Brian Gibson. He was elected to a six-year term in his own right at the 2004 federal election.^[1]

Barnett was active in various Senate committees and served as chair of the Standing Committee on Publications from 2006 to 2007 and of the Standing Committee on Legal and Constitutional Affairs from 2007 to 2008.^[1]

In a November 2008 preselection ballot, Barnett was placed in third position on the Liberal Party's Senate ticket in Tasmania for the next federal election, behind Eric Abetz and Stephen Parry. The result was widely reported as a demotion, given the party had only secured two Senate seats in Tasmania at the previous election.^[5] Barnett lost his seat at the 2010 election, with his term expiring on 30 June 2011.^[1]

In the 2014 Tasmanian state election Barnett was elected to the Tasmanian House of Assembly representing the Division of Lyons for the Liberal Party. He was also appointed Parliamentary Secretary to the Premier.^[6]

In July 2016, after the resignation of Adam Brooks, he was appointed Minister for Resources and Minister for Building and Construction.^[7] He was also made Minister for Energy in 2017 and Minister for Primary Industries and Water in 2018.^[8]

Barnett served as Minister for State Development, Construction and Housing under Jeremy Rockliff from April 2022 to July 2023. He was then appointed Minister for Health, serving until April 2024. In October 2023, following a ministerial reshuffle caused by the resignation of Elise Archer, he was additionally appointed Attorney-General of Tasmania, at which point he relinquished the Energy and Renewables portfolio.^[9]

Barnett was elected deputy leader of the Tasmanians Liberals in October 2024, following the resignation of Michael Ferguson. He was consequently appointed deputy premier of Tasmania.^[10]

Barnett was re-elected at the 2025 Tasmanian state election, he secured the most primary votes and topped the poll in the Electorate of Lyons.^[11]