| 1974-83 | Deputy President (Judge) of the Australian Conciliation and Arbitration Commission. |
| 1975-84 | Foundation Chairman, Australian Law Reform Commission. |
| 1976-84 | Member, Administrative Review Council of Australia. |
| 1980-84 | Member, Australian National Commission for UNESCO. |
| 1981-84 | Member, Australian Institute of Multicultural Affairs. |
| 1965-93 | Member of the governing bodies of the Universities of Sydney, Newcastle (NSW) and Macquarie University, Sydney. |
| 1983-84 | Judge, Federal Court of Australia |
| 1984-93 | Chancellor, Macquarie University, Sydney. |
| 1984-96 | President, Court of Appeal, Supreme Court of New South Wales |
| 1983-86 | Member, Executive Board, Commonwealth Scientific, Industrial and Research Organisation (CSIRO). |
| 1991 | Australian Human Rights Medal. |
| 1993- | Advisory Board, Australian Centre for Media and Telecommunications Law and Policy. |
| 1996- | Justice of the High Court of Australia |
| 1996- | Honorary Fellow, Academy of Social Sciences in Australia. |
| 1978-80 | Chairman, OECD Expert Group on Transborder Data Barriers and the Protection of Privacy. |
| 1983 | Member, Australian Delegation to the General Conference of UNESCO. |
| 1984- | Governor, International Council for Computer Communications, Washington. |
| 1984- | Commissioner - International Commission of Jurists (ICJ). |
| 1985-96 | President, Australian Section, ICJ. |
| 1985 | Member of Committee of Counsellors on Peoples' Rights, UNESCO. |
| 1988-91 | Member, World Health Organisation Global Commission on AIDS. |
| 1989-91 | Chairman, Rapporteur, UNESCO Expert Group on the Rights of Peoples. |
| 1991-92 | Chairman, OECD Expert Group on Security of Information Systems. |
| 1988-93 | Participant, Colloquia of Judges of the Commonwealth of Nations on Domestic Application of International Human Rights Norms: |
 | 1988 Bangalore; 1989 Harare; 1990 Banjul; 1991 Abuja; 1992 Oxford; 1993 Bloemfontein, South Africa. |
| 1991- | Member, ILO Fact-Finding and Conciliation Commission on Freedom of Association. |
| 1991-92 | Panel of the ILO Commission on South Africa. |
| 1992-95 | Chairman, Executive Committee, International Commission of Jurists. |
| 1992- | Member, Permanent Tribunal of Peoples. |
| 1993 | Member, International Advisory Council of the International Human Rights Law Group, Washington. |
| 1993-96 | Special Representative of the Secretary General of the United Nations for Human Rights in Cambodia. |
| 1994 | Independent Chairman of the Constitutional Conference in Malawi. |
| 1994- | Member of the International Jury for the UNESCO Prize for the Teaching of Human Rights. |
| 1994- | Honorary Professor, National Law School of India University, Bangalore, India. |
| 1995-96 | President, Court of Appeal of Solomon Islands |
| 1995- | Member, Ethics Committee of the Human Genome Organisation, London. |
| 1995- | President, International Commission of Jurists |
| 1996- | Member of the Committee of the Commonwealth Association for the Education in Journalism and Communication. |
| 1996- | Member of the International Bioethics Committee of UNESCO. |
| Jan 1993 | Participant in UN Human Rights Centre Seminar on multi-party elections in Maseru, Lesotho. |
| Jan 1993 | ICJ/CIJL participant (in conjunction with CSCE) in a symposium on judicial independence in Chisinau, Moldova. |
| Feb 1993 | Paper to conference on the Rights to Access to Official Information, London, England. |
| Mar 1993 | Chair, Martin Ennals Conference on Self-Determination of Peoples, Saskatoon, Canada |
| Mar 1993 | Paper to UNESCO Conference on Education for Human Rights, Montreal, Quebec. |
| May 1993 | Rapporteur, International Conference, Bilbao, Spain on Legal and Human Rights Issues of the Human Genome Project. |
| June 1993 | Participant, ICJ Workshop on an International Penal Court, Human Rights Conference, Vienna, Austria. |
| June 1993 | Paper on "Prevention of Miscarriages of Justice", Commonwealth Law Conference, Nicosia, Cyprus. |
| June 1993 | Participant, Annecy, France, Conference Merieux Foundation on Legal and Ethical Issues of HIV/AIDS vaccine development. |
| July 1993 | CIJL seminar on judicial training in Phnom Penh, Cambodia, conducted for UNTAC. Consultations with the Minister of Justice of Cambodia. |
| July 1993 | UNDP Roundtable on Transition to Democracy in Lilongwe, Malawi. |
| Aug 1993 | Judicial Colloquium, Bloemfontein, South Africa: Domestic Application of International Human Rights Norms. |
| Oct 1993 | Launch in Auckland, New Zealand of Law Society's Equal Opportunity in Employment Policy. |
| Nov 1993 | Lecture, St Martins in the Field, London, AIDS and the Law. |
| Dec 1993 | Consultations with Human Rights Centre, Geneva on Human Rights for Cambodia. |
| Jan 1994 | First Mission to Cambodia as Special Representative of the Secretary-General of the United Nations. |
| Feb 1994 | Independent Chairman of the Malawi Constitutional Conference. |
| Mar 1994 | Report to the UN Human Rights Commission on Cambodia. |
| Mar 1994 | Address to Hong Kong Conference on Freedom of Information. |
| Mar 1994 | Address to International Parliamentarians Convention on Tibet, New Delhi, India. |
| Mar 1994 | Keynote address for WHO at International Conference on Shaping the Future by Law, New Delhi, India. |
| July 1994 | Second Mission to Cambodia. |
| Sept 1994 | Rapporteur, International Jury, UNESCO Prize for Teaching of Human Rights, Paris. |
| Nov 1994 | Report to the General Assembly on Cambodia. |
| Jan 1995 | Fifth Mission to Cambodia. |
| Mar 1995 | Report to the UN Commission on Human Rights, Geneva. |
| Aug 1995 | Sixth Mission to Cambodia. |
| Aug 1995 | Sworn in as President, Court of Appeal of Solomon Islands. |
| Oct 1995 | First meeting of ELSI, Committee of Human Genome Organisation. |
| Oct 1995 | Elected President of the International Commission of Jurists |
| Dec 1995 | Appointed to the Editorial Committee of the Commonwealth of Association for Education in Journalism and Communication. |
| Jan 1996 | Seventh and final Mission to Cambodia |
| Jan 1996 | Second and final sittings of Court of Appeal of Solomon Islands. |
| May 1996 | Conference Kuala Lumpur on Law and Journalism. |
| July 1996 | Tun Abdul Razak Lecture, Kuala Lumpur, Malaysia. |
| July 1996 | Lord Ennals Memorial Lecture, London. |
| Sept 1996 | Chair, Conference on AIDS and Human Rights, UNAIDS, Geneva. |
| Oct 1996 | New Horizons Conference, Australia/India, New Delhi, India. |
| Jan 1997 | Fifth Bar Association of India Lecture, New Delhi, India. |
| Feb 1997 | Chairman, Constitutional Symposium, Malawi. |
| April 1997 | Paper, Conference to Honour Lord Cooke of Thorndon, Auckland, New Zealand. |
| May 1997 | Participant, UN Centre for Human Rights, Judicial Training Manual on Human Rights for the United Nations. |
| July 1997 | Opening of and address to Regional Forum on Privacy Issues, Auckland, New Zealand. |
| July 1997 | Address to Convocation, National Law School University of India, Bangalore. |
| Aug 1997 | Commonwealth Assn Journalism & Communications, Cwth Statement on Freedom of Expression, London. |
