Deputy General Counsel, Legal Department, International Monetary Fund since 1987. Senior Counsil/Assistant General Counsel, Legal Department, International Monetary Fund, Washington, District of Columbia, 1976-1986. Advisor on International Law, Legal Division, Department of Foreign Affairs, Australia, 1974-1975.
Senior Lecturer/Reader in Law, Law School, Australian National University, 1968-1976. Associate Proofessor of Law, University of Mississippi, United States of America, 1964-1968. Tutor in Law, Fey of Law, University of Melbourne, Australia, 1962-1963.
Law Clerk, Pavey, Wilson, Cohen & Carter, Australia, 1961.