Professor Tommy Koh is currently Ambassador-At-Large at the Ministry of Foreign Affairs; Director, Institute of Policy Studies and Chairman of the National Heritage Board.  He is also a Director of SingTel and Chairman of the Chinese Heritage Centre.

Prof Koh was the Dean of the Faculty of Law of the University of Singapore from 1971 to 1974.  He was Singapore's Permanent Representative to the United Nations, New York from 1968 to 1971 (concurrently accredited as High Commissioner to Canada) and again from 1974 to 1984 (concurrently accredited as High Commissioner to Canada and Ambassador to Mexico). From 1984 to 1990 he was Ambassador to the United States of America.

He has obtained numerous executive positions such President of the Third UN Conference on the Law of the Sea, Chairman of the Preparatory Committee and the Main Committee of the UN Conference on Environment and Development, Founding Chairman of the National Arts Council from 1991 to 1996 and Director of the Institute of Policy Studies from 1990 to February 1997 among others. From February 1997 to October 2000, he served as the founding Executive Director of the Asia-Europe Foundation. He chairs three committees for the National University of Singapore relating to law, Asian research and environmental management.

Prof Koh's academic carrier includes Second Arthur & Frank Payne Visiting Professor at the Institute for International Studies, Stanford University, USA, for 1994/95 and visiting Professor at Zhejiang University.  Prof Koh is on the Board of Directors of the Institute for the Study of Diplomacy at Georgetown University. 

Prof Koh received a First Class Honours degree in Law from the National University of Singapore, has a Masters degree in Law from Harvard University and a post-graduate Diploma in Criminology from Cambridge University.  He was conferred a full professorship in 1977, and through the years he has received numerous awards from highly acclaimed universities together with a large amount of honorary awards and orders from nations worldwide, such as France, Finland, Chile, The Netherlands, Hong Kong and The United States of America among others.