1976 – date Institute of Arbitrators & Mediators Australia (now Resolution Institute)
- Foundation Fellow (1976)
- Graded Arbitrator (1985 – date)
- Hon Secretary & Committee Member, Qld Branch (1979-1990) Member, National Council (1991-1995)
- Committee Member, NSW Chapter (1991-1995)
- Honorary Life Member (2020 – date)
1980 – date Chartered Institute of Arbitrators (London)
- Fellow (1980)
- Committee Member, Australian Branch (1995 – 2005) Chairman, Australian Branch (2002 – 2005)
- Elected Member, Board of Trustees (2005 – 2008)
- Chairman, Board of Trustees (2006 – 2008)
- Chartered Arbitrator (2007 – date)
- Vice President (2009)
- Deputy President (2010)
- President (2011)
- Centenary Chair (2015)
- Companion (2016)
1983 – date International Bar Association
- Co-Chair, International Construction Projects Committee IBA (2007 – 2009)
- Member, Conflicts of Interest Working Group, IBA International Arbitration Committee (2002 – 2004)
1987 – date Committee Member, Construction and Infrastructure Group, Law Council of Australia
1989 – date London Court of International Arbitration
- Member, LCIA Court (2010 – 2014)
- Vice-President, Asia Pacific Council (1989 – 2007)
1996 – date Dispute Resolution Board Foundation
- Member, Dispute Resolution Board Foundation (1996 – date)
- Committee Member of the Executive, Dispute Resolution Board Foundation (2006 – date)
- President, Dispute Resolution Board Australasia (2009 – 2014)
- President Region 3 (2014 – 2017)
1996 – date Member, International Arbitration Club (London)
2001 – date Professorial Fellow, Melbourne University, Australia
2001 – date Australian Centre for International Commercial Arbitration
- President (2008 – 2014)
- Vice President (2002 – 2008)
2002 – 2012 Vice Chair, Inter-Pacific Bar Association Arbitration & Dispute Resolution Committee
2004 – 2012 Member, Juris Doctor Advisory Board of the University of Melbourne, Australia
2005 – date Arbitrator Member, Society of Construction Arbitrators (London)
2005 – date Asia Pacific Regional Arbitration Group (APRAG)
- Vice President (2009 – 2011)
- Member Arbitration Panel (2005 – date)
2006 – 2012 Adjunct Professor of Law, Murdoch University, Australia
2006 – date Member, CIDC International Advisory Group, India Construction Industry
2007 – 2015 Member, Australian Council of the International Project Finance Association
2007 – date Honorary Fellow, Canadian College of Construction Lawyers
2014 – date Visiting Professor, Queen Mary, University of London
2009 – date Honorary Fellow, American College of Construction Lawyers
2009 – 2015 Director of the Board, Roads Australia
2009 – date Member, Council of Distinguished Advisors, Straus Institute for Dispute Resolution, Pepperdine School of Law, California, United States
2010 – 2014 Member, ICC Australia Arbitration Committee
2010 – date Australian Government nominee to the International Centre for Settlement of Investment Disputes (ICSID) panel of arbitrators
2012 – 2017 Council Member, International Federation of Commercial Arbitration Institutions (IFCAI)
2013 – date Member Arbitrator, Arbitration Place, Toronto
2013 – date Arbitrator member, Energy Arbitrators’ List
2013 – date Member, IBA Working Group on Harmonising Arbitration Laws in the Asia Pacific Region
2014 – date Associate, American Bar Association
2014 – date Arbitrator member, Arbitration Panel appointed by NSW Government under the Mining Act and Petroleum (Offshore) Act
2015 – date Member, Advisory Committee, Melbourne Commercial Arbitration and Mediation Centre
2016 – date Inaugural Member, Seoul IDRC International Advisory Board
2017 – date Inaugural Member, CIETAC International Board of Advisors
2018 – date President, International Academy of Construction Lawyers
2018 – date Honorary Fellow, Asian Institute of Alternative Dispute Resolution
2018 – date Fellow, Australian Academy of Law
2019 – date Member, Advisory Board, Dispute Resolution Expert (DREx) Talks
2019 – date International Judge, Singapore International Commercial Court (SICC)
2020 – date Member, Editorial Board, Asia Pacific Regional Arbitration Group (APRAG)
2020 – date Honorary Bencher, The Honourable Society of Gray’s Inn
2021 – date Member of the Advisory Council of the Asian international Arbitration Centre (AIAC)
2021 – date Korean Commercial Arbitration Board International Arbitration Committee