Current office holders


Mark Parton

Speaker
Liberal 

Andrew Barr

Chief Minister 
Labor 

Leanne Castley

Opposition Leader
Liberal 

Andrew Braddock

Deputy Speaker
Green

Lists of office holders

Click through the tabs below to find out more about these roles and who has held them since 1989.

Speakers

The Speaker of the Legislative Assembly is an MLA who is elected as the head of the parliament. They control what happens in the chamber, make sure that standing orders (the Assembly's rules) are followed, and discipline members, if required. They also represent the Assembly as a whole in ceremonial situations.

The Assembly has had seven speakers since self-government in 1985.

SpeakerAffiliation Length of service
Mark Parton
Member for Brindbella 
Liberal Elected 6 November 2024
(term ongoing) 
Joy Burch
Member for Brindabella 
Labor Served from 31 October 2016 to 6 November 2024
(8 years, 7 days) 
Vicki Dunne
Member for Ginninderra 
Liberal Served from 6 November 2012 to 31 October 2016
(3 years, 11 months, 26 days) 
Shane Rattenbury
Member for Molonglo  
Green Served from 5 November 2008 to 6 November 2012
(4 years, 1 day) 
Wayne Berry
Member for Ginninderra
Labor Served from 12 November 2001 to 5 November 2006
(6 years, 11 months, 25 days) 
Greg Cornwell AM
Member for Molonglo 
Liberal Served from 9 March 1995 to 12 November 2001
(6 years 8 months, 4 days) 
Roberta McRae OAM Labor Served from 27 March 1992 to 9 March 1995
(2 years, 11 months ,11 days) 
David ProwseNo Self-Government, then
Independent, then
Liberal
Served from 11 May 1989 to 27 March 1992
(2 years, 10 months, 17 days)

Chief Ministers

The Chief Minister of the Australian Capital Territory is the MLA who is elected as the head of the government. They appoint ministers to their cabinet, manage the budget, and direct the public service to administer the laws of the territory and provide services to ACT residents.

The Assembly has had seven chief ministers since self-government in 1985.

SpeakerAffiliation Length of service
Andrew Barr
Member for Kurrajong
Labor Elected 11 December 2014
(term ongoing) 
Hon Katy Gallagher
Member for Molonglo
Labor Served from 15 May 2011 to 0 December 2014
(3 years, 6 months, 25 days)
Jon Stanhope AO
Member for Ginninderra
Labor Served from 12 November 2001 to 12 May 2011
(9 years, 6 months, 1 day)
Gary Humphries AO
Member for Molonglo  
Liberal Served from 18 October 2000 to 12 November 2001
(1 years, 26 days)
Kate Carnell AO
Member for Ginninderra
Liberal Served from 12 November 2001 to 5 November 2006
(6 years, 11 months, 25 days) 
Trevor KaineLiberal Served from 9 March 1995 to 12 November 2001
(6 years 8 months, 4 days) 
Rosemary Follett AO Labor Served two separate terms from 11 May to 5 December 1989 and from 6 June 1991 to 9 March 1995
(4 years, 5 months, and 29 days cumulative)

Opposition Leaders

The Opposition Leader is the MLA who is the leader of the largest party not in government. Though the role has no constitutional power, they help lead scrutiny of government policies, decisions, and actions.

The Assembly has had 17 opposition leaders since self-government in 1985.

SpeakerAffiliation Length of service
Leanne Castley
Member for Yerrabi
Liberal Elected 31 October 2024
(term ongoing) 
Elizabeth Lee
Member for Kurrajong
Liberal Served from 27 October 2020 to 31 October 2024
(4 years, 5 days) 
Alistair Coe
Member for Yerrabi
Liberal Served from 31 October 2016 to 17 October 2020
(3 years, 11 month, 17 days) 
Jeremy Hanson CSC
Member for Murrumbidgee
Liberal Served from 11 February 2013 to 15 October 2016
(3 years, 8 months, 5 days) 
Hon Zed Seselja
Member for Brindabella
Liberal Served from 13 December 2007 to 11 February 2013
(5 years, 23 days)   
Bill Stefaniak AM RFD
Member for Ginninderra
Liberal Served from 16 May 2006 to 13 December 2007
(1 year, 6 months, 28 days) 
Brendan Smyth
Member for Brindabella
Liberal Served from 12 November 2001 to 5 November 2006
(6 years, 11 months, 25 days) 
Gary Humphries AO
Member for Molonglo 
Liberal Served from 12 November 2001 to 25 November 2002
(1 year, 13 days) 
Jon Stanhope AO
Member for Ginninderra
Labor Served from 19 March 1998 to 19 October 2001
(3 years, 8 months, 25 days) 
Wayne Berry
Member for Ginninderra
Labor Served from 19 August 1997 to 20 February 1998
(6 months, 4 days)
Andrew Whitecross
Member for Brindabella
Labor Served from 5 March 1996 to 19 August 1997
(1 year, 5 months, 16 days)
Kate Carnell AO
Member for Molonglo
Liberal Served from 21 March 1993 to 9 March 1995
(1 year, 10 months, 16 days)
Gary Humphries AO Liberal Served from 21 June 1991 to 22 July 1991
(31 days)
Craig DubyIndependent Served for 6.5 hours on 21 June 1991
Rosemary Follett AO Labor Served two separate terms from 5 December 1989 to 6 June 1991 and from 9 March 1995 to 5 March 1996
(2 years, 5 months, 26 days cumulative)
Trevor KaineLiberal Served three separate terms from 1 May 1989 to 5 December 1989, from 6 June 1991 to 21 June 1991, and from 22 July 1991 to 21 April 1993
(2 years, 3 months, 1 day cumulative)

Clerks

The Clerk of the Legislative Assembly is an non-political statutory officer who is parliament's chief secretary.

The Assembly has had three clerks since self-government in 1985.

Speaker Length of service
Thomas Duncan Acting in the role from 7 June 2003 and appointed on 25 September 2003
(term ongoing) 
Mark McRae OAM Served from 9 November 1989 to 6 June 2003
(13 years, 6 months, 29 days) 
Donald Piper
Acting
Served from 11 May 1989 to 8 November 1989
(5 months, 29 days)