M Sornarajah LLB (Ceylon), LLM (Yale), LLM, PhD, LLD (London) is CJ Koh Professor at the Faculty of Law of the National University of Singapore. He is Visiting Professor at Centre for the Study of Human Rights at the LSE. He was the Tunku Abdul Rahman Professor of International Law at the University of Malaya at Kuala Lumpur. He was Head of the Law School of the University of Tasmania, Australia. He studied law at the University of Ceylon, the London School of Economics, Kingís College, London and the Yale Law School. He was Research Fellow at the Centre for International Law, Cambridge and at the Max Planck Institut fur Offentliches Auslandisches Recht at Heidelburg, Germany. He was International Law Fellow and Visiting Professor at American University at Washington DC. He was Professorial Fellow at the Centre for Petroleum and Natural Resources Law at the University of Dundee, Scotland. He was a Visiting Professor at the Osgoode Hall Law School, Toronto (where he delivered the Pierre Genest Distinguished Lecture), Carleton University, Ottawa (where he delivered the Simon Reisman Lecture), the University of Malaya (where he delivered the Tun Suffian Lecture) the World Trade Institute of the Universities of Berne and Neuchatel, Switzerland, Kyushu University, Japan, the Xiamen Academy of International Law, China, XiíAn Jiatao University, China, Fundacio Gerulaitis Vargas Law School, Sao Paolo, Brazil and at the Georgetown Centre for Transnational Legal Studies, London. He lectured at the Supreme Court Judges Retreat at the National Judicial Institute, Bhopal, India.
He is the author of The Pursuit of Nationalized Property (Martinus Nijhoff, The Hague, 1986); International Commercial Arbitration: The Problem of State Contracts (Longman, 1990); The Law of International Joint Ventures (Longman, 1992); The International Law on Foreign Investment (Cambridge University Press, 1st ed. 1994 , 2nd ed. 2004, 3rd ed. 2010) and The Settlement of Foreign Investment Disputes (Kluwer, The Hague,2000). He is joint editor of China, India and the International Economic Order (Cambridge University Press, 2010 ) and Good Faith in International Investment Law (with Andrew Mitchell and Tania Voon, forthcoming, OUP,2015). He was the Director of the UNCTAD/WTO Programme on Investment Treaties, Pretoria and New Delhi. He is a member of the Advisory Boards of the International and Comparative Law Quarterly, the Indian Journal of International Law and several other international journals. He is a member of the Advisory Board of the Vale Columbia Centre on Sustainable International Investment. He is a Fellow of the Australian Centre for International Commercial Arbitration. He is on the Regional Panel of the Singapore International Arbitration Centre and the Kuala Lumpur Regional Arbitration Centre. He has been arbitrator, counsel or expert in several leading investment arbitrations. He has published extensively in the areas of public international law and international investment law. He is an Advocate of the Supreme Court of Ceylon, an Advocate and Solicitor of the High Court of Singapore and a Solicitor of the High Court of England and Wales. He is a Member of the Presidential Commission on Investment Treaties, Ecuador. He is an Honorary Member of the Indian Society of International Law.