The Barnett Ministry was the 35th Ministry of the Government of Western Australia. It included 13 members of the Liberal Party, three members of the National Party and an independent. It was led by the Premier of Western Australia, Colin Barnett, and Deputy Premier Liza Harvey. It succeeded the Carpenter Ministry on 23 September 2008 following the 2008 election and was succeeded by the First McGowan Ministry following the Liberal Party's defeat at the 2017 election.
The Governor, Ken Michael, designated 17 principal executive offices of the Government under section 43(2) of the Constitution Acts Amendment Act 1899. The following ministers and parliamentary secretaries were then appointed to the positions, and served until the reconstitution of the Ministry on 14 December 2010. The list below is ordered by decreasing seniority within the Cabinet, as indicated by the Government Gazette and the Hansard index. Blue entries indicate members of the Liberal Party, green entries indicate members of the National Party, and grey indicates an Independent.
| Office | Minister | |
|---|---|---|
| Premier Minister for State Development Treasurer (from 28 April 2010) | Colin Barnett, MLA | |
| Deputy Premier Minister for Health Minister for Indigenous Affairs | Dr Kim Hames, MLA | |
| Minister for Mines and Petroleum Minister for Fisheries Minister for Electoral Affairs | Norman Moore, MLC | |
| Minister for Regional Development Minister for Lands Minister assisting the Minister for State Development Minister assisting the Minister for Transport | Brendon Grylls, MLA | |
| Minister for Education Minister for Tourism Minister for Women's Interests (until 9 February 2009) | Dr Liz Constable, MLA | |
| Minister for Transport Minister for Disability Services | Simon O'Brien, MLC | |
| Treasurer Minister for Commerce Minister for Science and Innovation Minister for Housing and Works | Troy Buswell, MLA (until 27 April 2010) | |
| Minister for Police Minister for Emergency Services Minister for Road Safety | Rob Johnson, MLA | |
| Minister for Sport and Recreation Minister for Racing and Gaming Minister assisting the Minister for Health | Terry Waldron, MLA | |
| Minister for Planning Minister for Culture and the Arts Minister for the Environment (from 22 November 2010 to 14 December 2010) Minister for Youth (from 22 November 2010 to 14 December 2010) | John Day, MLA | |
| Minister for Energy Minister for Training Minister for Workforce Development (from 17 November 2009) | Peter Collier, MLC | |
| Attorney-General Minister for Corrective Services | Christian Porter, MLA | |
| Minister for Child Protection Minister for Community Services Minister for Seniors and Volunteering Minister for Women's Interests (from 9 February 2009) | Robyn McSweeney, MLC | |
| Minister for Water Minister for Mental Health | Dr Graham Jacobs, MLA | |
| Minister for Local Government Minister for Heritage Minister for Citizenship and Multicultural Interests | John Castrilli, MLA | |
| Minister for Agriculture and Food Minister for Forestry Minister assisting the Minister of Education | Terry Redman, MLA | |
| Minister for the Environment Minister for Youth | Donna Faragher, MLC (until 22 November 2010) | |
| Minister for Commerce Minister for Science and Innovation Minister for Housing and Works | Bill Marmion, MLA (from 28 April 2010) | |
| Parliamentary Secretaries | Murray Cowper, MLA Bill Marmion, MLA (until 28 April 2010) Michael Mischin, MLC (from 11 August 2009) Helen Morton, MLC Tony Simpson, MLA Wendy Duncan, MLC Barry House, MLC (until 27 May 2009) |
On 27 April 2010, Troy Buswell resigned from the ministry following questions arising from a personal affair with Greens MP Adele Carles. The following day, Premier Colin Barnett assumed the role of Treasurer, while Buswell's remaining portfolios were transferred to Bill Marmion, who had hitherto been a parliamentary secretary.
On 14 December 2010, a number of changes were made to the Ministry. The most notable were the re-appointment of Troy Buswell to the Ministry as Minister for Transport and Minister for Housing and the promotion of Christian Porter to Treasurer to replace Colin Barnett. The Governor, Ken Michael, designated 17 principal executive offices of the Government under section 43(2) of the Constitution Acts Amendment Act 1899. The following ministers and parliamentary secretaries were then appointed to the positions. The list below is ordered by decreasing seniority within the Cabinet, as indicated by the Government Gazette and the Hansard index. Blue entries indicate members of the Liberal Party, green entries indicate members of the National Party, and grey indicates an Independent. Except where indicated, all ministers served until the next reconstitution on 29 June 2012.
| Office | Minister | |
|---|---|---|
| Premier Treasurer (from 12 June 2012) Minister for State Development | Colin Barnett, MLA | |
| Deputy Premier Minister for Health Minister for Tourism | Dr Kim Hames, MLA | |
| Minister for Mines and Petroleum Minister for Fisheries Minister for Electoral Affairs Minister for Justice (from 12 June 2012) | Norman Moore, MLC | |
| Minister for Regional Development Minister for Lands Minister assisting the Minister for State Development | Brendon Grylls, MLA | |
| Treasurer Attorney-General | Christian Porter, MLA (until 12 June 2012) | |
| Minister for Education | Dr Liz Constable, MLA | |
| Minister for Finance Minister for Commerce Minister for Small Business | Simon O'Brien, MLC | |
| Minister for Police Minister for Emergency Services (until 5 December 2011)[1] Minister for Road Safety | Rob Johnson, MLA | |
| Minister for Sport and Recreation Minister for Racing and Gaming | Terry Waldron, MLA | |
| Minister for Planning Minister for Culture and the Arts Minister for Science and Innovation | John Day, MLA | |
| Minister for Energy Minister for Training and Workforce Development Minister for Indigenous Affairs | Peter Collier, MLC | |
| Minister for Transport Minister for Housing Minister for Emergency Services (from 5 December 2011) | Troy Buswell, MLA | |
| Minister for Child Protection Minister for Community Services Minister for Seniors and Volunteering Minister for Women's Interests Minister for Youth | Robyn McSweeney, MLC | |
| Minister for Local Government Minister for Heritage Minister for Citizenship and Multicultural Interests | John Castrilli, MLA | |
| Minister for Agriculture and Food Minister for Forestry Minister for Corrective Services | Terry Redman, MLA | |
| Minister for the Environment Minister for Water | Bill Marmion, MLA | |
| Minister for Mental Health Minister for Disability Services | Helen Morton, MLC | |
| Parliamentary Secretaries | Murray Cowper, MLA Wendy Duncan, MLC Donna Faragher, MLC Liza Harvey, MLA Michael Mischin, MLC Tony Simpson, MLA |
On 29 June 2012, the Ministry was reconstituted. This followed the retirement of Liz Constable (Education), the removal of Rob Johnson (Police; Road Safety) and the earlier resignation on 12 June of Christian Porter (Treasurer; Attorney General), whose duties had been temporarily split between Premier Colin Barnett and senior minister Norman Moore. Three new ministers were appointed from amongst the parliamentary secretary ranks, and three new secretaries were appointed to replace them. The list below is ordered by decreasing seniority within the Cabinet, as indicated by the Government Gazette and the Hansard index. Blue entries indicate members of the Liberal Party, while green entries indicate members of the National Party.
| Office | Minister | |
|---|---|---|
| Premier Treasurer (until 7 July 2012) Minister for State Development | Colin Barnett, MLA | |
| Deputy Premier Minister for Health Minister for Tourism | Dr Kim Hames, MLA | |
| Minister for Mines and Petroleum Minister for Fisheries Minister for Electoral Affairs | Norman Moore, MLC | |
| Minister for Regional Development Minister for Lands Minister assisting the Minister for State Development | Brendon Grylls, MLA | |
| Treasurer (from 7 July 2012) Minister for Transport Minister for Housing Minister for Emergency Services | Troy Buswell, MLA | |
| Minister for Finance Minister for Commerce Minister for Small Business | Simon O'Brien, MLC | |
| Minister for Planning Minister for Culture and the Arts Minister for Science and Innovation | John Day, MLA | |
| Minister for Sport and Recreation Minister for Racing and Gaming | Terry Waldron, MLA | |
| Minister for Education Minister for Energy Minister for Indigenous Affairs | Peter Collier, MLC | |
| Minister for Child Protection Minister for Community Services Minister for Seniors and Volunteering Minister for Women's Interests Minister for Youth | Robyn McSweeney, MLC | |
| Minister for Local Government Minister for Heritage Minister for Citizenship and Multicultural Interests | John Castrilli, MLA | |
| Minister for Agriculture and Food Minister for Forestry | Terry Redman, MLA | |
| Minister for the Environment Minister for Water | Bill Marmion, MLA | |
| Minister for Mental Health Minister for Disability Services | Helen Morton, MLC | |
| Attorney-General | Michael Mischin, MLC | |
| Minister for Police Minister for Road Safety | Liza Harvey, MLA | |
| Minister for Training and Workforce Development Minister for Corrective Services | Murray Cowper, MLA | |
| Parliamentary Secretaries | Wendy Duncan, MLC Donna Faragher, MLC Tony Simpson, MLA Dr Mike Nahan, MLA Joe Francis, MLA Albert Jacob, MLA |
Following the return of the government at the 2013 state election, held on 9 March, the Ministry was again reconstituted, and was sworn in on 21 March 2013. John Castrilli (Local Government; Heritage; Citizenship and Multicultural Interests) and the retiring Norman Moore (Mines and Petroleum; Fisheries; Electoral Affairs) both resigned their positions, while Simon O'Brien (Finance; Commerce; Small Business), Robyn McSweeney (Child Protection; Community Services; Seniors and Volunteering; Women's Interests; Youth), and Murray Cowper (Training and Workforce Development; Corrective Services) each lost their portfolios. Five new ministers were appointed, including four previous parliamentary secretaries, and seven new parliamentary secretaries were appointed, making eight in total. A new portfolio, that of Minister for Veterans, was created. The list below is ordered by decreasing seniority within the Cabinet, as indicated by the Government Gazette and the Hansard index. Blue entries indicate members of the Liberal Party, while green entries indicate members of the National Party.
| Office | Minister | |
|---|---|---|
| Premier Minister for State Development Minister for Science | Colin Barnett, MLA | |
| Deputy Premier Minister for Health Minister for Tourism (until 5 August 2013) Minister for Training and Workforce Development (from 11 December 2013) | Dr Kim Hames, MLA | |
| Minister for Regional Development (until 11 December 2013) Minister for Lands (until 11 December 2013) Minister assisting the Minister for State Development (until 11 December 2013) | Brendon Grylls, MLA | |
| Minister for Education Minister for Aboriginal Affairs Minister for Electoral Affairs | Peter Collier, MLC | |
| Treasurer (until 17 March 2014) Minister for Transport (until 17 March 2014) Minister for Fisheries (until 11 December 2013) | Troy Buswell, MLA | |
| Minister for Planning Minister for Culture and the Arts | John Day, MLA | |
| Minister for Police Minister for Road Safety Minister for Small Business (until 5 August 2013) Minister for Women's Interests Minister for Tourism (from 5 August 2013) | Liza Harvey, MLA | |
| Minister for Training and Workforce Development (until 11 December 2013) Minister for Water (until 11 December 2013) Minister for Forestry (until 11 December 2013) Minister for Regional Development (from 11 December 2013) Minister for Lands (from 11 December 2013) Minister assisting the Minister for State Development (from 11 December 2013) | Terry Redman, MLA | |
| Minister for Mental Health Minister for Disability Services Minister for Child Protection | Helen Morton, MLC | |
| Attorney-General | Michael Mischin, MLC | |
| Minister for Mines and Petroleum Minister for Housing Minister for Finance (from 8 December 2014) | Bill Marmion, MLA | |
| Minister for Sport and Recreation Minister for Racing and Gaming | Terry Waldron, MLA | |
| Minister for Agriculture and Food Minister for Fisheries (from 11 December 2013) | Ken Baston, MLC | |
| Treasurer (from 17 March 2014) Minister for Energy Minister for Finance (to 17 March 2014) Minister for Citizenship and Multicultural Interests | Dr Mike Nahan, MLA | |
| Minister for Local Government Minister for Community Services Minister for Seniors and Volunteering Minister for Youth | Tony Simpson, MLA | |
| Minister for Environment Minister for Heritage | Albert Jacob, MLA | |
| Minister for Emergency Services Minister for Corrective Services Minister for Veterans Minister for Small Business (from 5 August 2013) | Joe Francis, MLA | |
| Minister for Water (from 11 December 2013) Minister for Forestry (from 11 December 2013) | Mia Davies, MLA | |
| Minister for Finance (17 March 2014 – 8 December 2014) Minister for Transport (from 17 March 2014) | Dean Nalder, MLA | |
| Parliamentary Secretaries | Donna Faragher, MLC John McGrath, MLA Alyssa Hayden, MLC Jim Chown, MLC Paul Miles, MLA Andrea Mitchell, MLA Mia Davies, MLA (until 11 December 2013) Colin Holt, MLC |
In December 2015, Kim Hames announced his intention to resign as deputy leader of the Liberal Party (and thus also as deputy premier) with effect from February 2016.[2] Liza Harvey was elected unopposed as his successor,[3] with a resultant ministerial reshuffle that took effect from 31 March 2016. Another reshuffle took place on 22 September 2016, with the resignations of Dean Nalder and Tony Simpson.[4] All ministers are listed in order of seniority.[5]