COAT was established at a meeting of Commonwealth, State, Territory and New Zealand heads on 6 June 2002. The following are the current appointed office-bearers and committee members of the COAT Executive:

• Chair: Mr Malcolm Schyvens,  President, Tasmanian Civil and Administrative Tribunal (TASCAT)
• Deputy Chair: Mr Brett Carter, Co-chair, Motor Vehicle Disputes Tribunal (NZ)
• Secretary: The Hon Justice Ted Woodward, President, Victorian Civil and Administrative Tribunal
• Treasurer: Peter Britten-Jones, Vice President and Division Head, Administrative Appeals Tribunal, General & Other Divisions
• Public Officer: Kathryn McKenzie,  COAT Secretariat

Members of Executive:

The Hon Justice Judy Hughes
President, South Australian Civil & Administrative Tribunal (SACAT)

Mr Shahyar Roushan
Deputy President, Administrative Appeals Tribunal, Migration & Refugee Division

Mr Mark O’Reilly
President, Northern Territory Civil and Administrative Tribunal (NTCAT)

Ms Luci Jack
Senior Member, Tasmanian Civil and Administrative Tribunal (TASCAT)

The Hon Justice Kerri Mellifont
President, Queensland Civil and Administrative Tribunal (QCAT)

The Hon Justice Kathleen Glancy
President, State Administrative Tribunal (WA)

Ms Trish McConnell
Chair, Private Security Personnel Licensing Authority, Licensing Authority of Secondhand Dealers and Pawnbrokers (NZ)