| | Previous Occupation and Appointments include: |
| 1975-1990 | Lecturer in European Community Law, Trinity College Dublin |
| 1976-1990 | Member of the Advisory Board, Common Market Law Review |
| 1984-1990 | Member, Editorial Board of Irish Current Law Statutes Annotated |
| 1988-1990 | Co-founder and Director, Irish Centre for European Law |
| 1989-1990 | Member, Scientific Council of European Review of Public Law |
| 1997-2002 | United Nations High Commissioner for Human Rights |
| 2001 | Secretary-General, Durban World Conference against Racism |
| 2001-2008 | Member of the Board, The Vaccine Fund |
| 2002-2010 | President, Realizing Rights: The Ethical Globalization Initiative |
| 2003-2005 | Member of the Global Commission on International Migration |
| 2003-2009 | Honorary Chair, BLIHR - Business Leaders Initiative on Human Rights |
| Chair, Fund for Global Human Rights |
| 2004-2009 | Professor of Practice, Columbia University |
| 2005-2007 | Member of the Commission on the Legal Empowerment of the Poor |
| 2005-2008 | Chair, Board of Trustees, IIED - International Institute for Environment and Development |
| 2006-2010 | Member of the UN Global Compact Board |
| 2007-2008 | Vice-chair of the GAVI Fund Board |
| 2008-2010 | President, International Commission of Jurists |
| | |
| | Current Occupation and Appointments include: |
| since 1997 | Member of the Council of State, Ireland |
| Member, Council of Women World Leaders |
| since 1998 | Chancellor of the University of Dublin |
| since 2001 | Member of the Advisory Board, the Dag Hammarskjöld Foundation, Sweden |
| since 2002 | Member, The Club of Madrid |
| since 2003 | Member, International Advisory Committee of the International Development Law Organization, Rome |
| Member of the Advisory Board, Center for the Study of the Holocaust, Genocide and Human Rights, Claremont McKenna College |
| Extraordinary Professor at the University of Pretoria |
| since 2004 | Member of the Advisory Committee of the Samuel Rubin Program for the Advancement of Liberty and Equality through Law, Columbia University |
| since 2005 | Member of Generation Investment Management Board |
| since 2006 | Member of the Mo Ibrahim Foundation Board |
| since 2007 | Member of the Elders |
| since 2008 | Member, Silatech Foundation Board of Trustees |
| since 2010 | Chair, IHRB - Institute for Human Rights and Business |
| Member of the ECF - European Climate Foundation Board |
| President, Mary Robinson Foundation - Climate Justice |
