Current members

Date of appointment

Senator the Hon Judith Troeth (VIC, LP)
(elected Chair on 12.09.06)

11.09.06

Senator Gavin Marshall (VIC, ALP)
(elected Deputy Chair on 12.09.06)

11.09.06

Senator Guy Barnett (TAS, LP)

12.09.06

Senator George Campbell (NSW, ALP)

11.09.06

Senator Mary Jo Fisher (SA, LP)

20.06.07

Senator Anne McEwen (SA, ALP)

11.09.06

Senator Ross Lightfoot (WA, LP)

12.09.06

Senator Natasha Stott Despoja (SA, AD)

11.09.06

Substitute members

Date of appointment

Senator Lyn Allison (VIC, AD)[1]

28.02.07

Participating members

Date of appointment

Senator Lyn Allison (VIC, AD)

11.09.06

Senator Andrew Bartlett (QLD, AD)

11.09.06

Senator Cory Bernardi (SA, LP)

12.09.06

Senator Simon Birmingham (SA, LP)

20.06.07

Senator the Hon Ron Boswell (QLD, NATS)

11.09.06

Senator Sue Boyce (QLD, LP)

14.06.07

Senator Bob Brown (TAS, AG)

11.09.06

Senator Kim Carr (VIC, ALP)

11.09.06

Senator George Campbell (NSW, ALP)

01.03.07

Senator Grant Chapman (SA, LP)

11.09.06

Senator Mathias Cormann (WA, LP)

20.06.07

Senator Alan Eggleston (WA, LP)

11.09.06

Senator Christopher Evans (WA, ALP)

11.09.06

Senator the Hon John Faulkner (NSW, ALP)

11.09.06

Senator Steve Fielding (VIC, FFP)

11.09.06

Senator Mitch Fifield (VIC, LP)

09.05.07

Senator Michael Forshaw (NSW, ALP)

11.09.06

Senator John Hogg (QLD, ALP)

11.09.06

Senator Gary Humphries (ACT, LP)

11.09.06

Senator Steve Hutchins (NSW, ALP)

11.09.06

Senator Barnaby Joyce (QLD, NATS)

11.09.06

Senator the Hon Rod Kemp (VIC, LP)

08.02.07

Senator Joseph Ludwig (QLD, ALP)

11.09.06

Senator Kate Lundy (ACT, ALP)

11.09.06

Senator Jan McLucas (QLD, ALP)

11.09.06

Senator the Hon Ian Macdonald (QLD, LP)

11.09.06

Senator Julian McGauran (VIC, LP)

11.09.06

Senator Christine Milne (TAS, AG)

11.09.06

Senator Claire Moore (QLD, ALP)

11.09.06

Senator Andrew Murray (WA, AD)

11.09.06

Senator Fiona Nash (NSW, NATS)

11.09.06

Senator Kerry Nettle (NSW, AG)

11.09.06

Senator Kerry O'Brien (TAS, ALP)

11.09.06

Senator the Hon Kay Patterson (VIC, LP)

11.09.06

Senator Marise Payne (NSW, LP)

11.09.06

Senator Stephen Parry (TAS, LP)

23.03.07

Senator Helen Polley (TAS, ALP)

11.09.06

Senator Robert Ray (VIC, ALP)

11.09.06

Senator the Hon Nick Sherry (TAS, ALP)

11.09.06

Senator Rachel Siewert (WA, AG)

11.09.06

Senator Ursula Stephens (NSW, ALP)

11.09.06

Senator Glen Sterle (WA, ALP)

11.09.06

Senator Natasha Stott Despoja (SA, AD)

28.02.07

Senator Russell Trood (QLD, LP)

11.09.06

Senator John Watson (TAS, LP)

11.09.06

Senator Ruth Webber (WA, ALP)

11.09.06

Senator Penny Wong (SA, ALP)

11.09.06

Senator Dana Wortley (SA, ALP)

11.09.06

Former members

Term of appointment

Senator Cory Bernardi (SA, LP)

11.09.06–12.09.06

Senator David Johnston (WA, LP)

11.09.06–12.09.06

Senator Mitch Fifield (VIC, LP)

11.09.06–09.05.07

Senator Simon Birmingham (SA, LP)

09.05.07–20.06.07

Former substitute members

Term of appointment

Senator Julian McGauran (VIC, LP)[2]

08.02.07–16.02.07

Senator Mitch Fifield (VIC, LP)[3]

20.06.07–25.06.07

Senator Simon Birmingham (SA, LP)[4]

20.06.07–26.06.07

Senator Trish Crossin (NT, ALP)[5]

01.03.07–13.09.07

Former participating members

Term of appointment

Senator Guy Barnett (TAS, LP)

11.09.06–12.09.06

Senator Ross Lightfoot (WA, LP)

11.09.06–12.09.06

Senator Trish Crossin (NT, ALP)

11.09.06–01.03.07

Senator the Hon George Brandis (QLD, LP)

11.09.06–23.03.07

Senator David Johnston (WA, LP)

12.09.06–23.03.07

Senator Brett Mason (QLD, LP)

11.09.06–23.03.07

Senator Jeannie Ferris (SA, LP)

11.09.06–02.04.07

Senator Alan Ferguson (SA, LP)

11.09.06–14.08.07