LL.M. (Yale), LL.B. (Singapore), BBM, Advocate & Solicitor (Singapore)

  • Chairman, Faculty of Law Advisory Council
  • Chairman, International Advisory Panel, Centre for International Law
  • Panel of Conciliators, International Centre for Settlement of Investment Disputes (ICSID) (appointed for 6 years from 13 Dec 2013)
  • Co-Chair, International Advisory Panel on Transboundary Pollution (appointed Feb 2014) by Government of Singapore
Email Address:;
Office Tel:  
Office Fax: (65) 6779-0979 
Office Address

Faculty of Law, National University of Singapore
Eu Tong Sen Building
469G Bukit Timah Road
Singapore 259776
Research Interests

Public International Law
Constitutional Law

Subjects Taught


Brief Biodata

Joined the Faculty in 1964, was Dean from 1974 to 1980, took leave from 1980 - 2011 to enter politics; at various times served as Minister for Law, Home Affairs, Foreign Affairs, Labour, Deputy Prime Minister and Senior Minister. Returned to the Faculty on 22 October 2011 where, waiving remuneration, he assists the Faculty and the Center for International Law. He is Chairman of the Faculty's Advisory Council.

Representative Publications

1. Diplomacy - A Singapore experience (Straits Times Press 2011)

2. Pedra Branca - the Road to the World Court (with Prof Tommy Koh) (NUS Press Singapore 2009)

3. Constitutional Law (with Documentary Materials). Singapore Law Series, No. 1, 1976 (Faculty of Law, NUS)

4. Constitutional Law Cases from Malaysia and Singapore. Second Edition 1976 (Malayan Law Journal)

5. Public International Law Cases from Malaysia and Singapore. Singapore University Press, 1974

6. Constitutional Law Cases from Malaysia and Singapore. Malayan Law Journal, 1971 (Malayan Law Journal)

Publication List