M Sornarajah is CJ Koh Professor of Law at the National University of Singapore and the Tunku Abdul Rahman Professor of Public International Law at the University of Malaya. He was previously Head of the Law School of the University of Tasmania, Australia. He studied law at the University of Ceylon, the Yale Law School, the London School of Economics and King’s College, London. He is the author of several books on international law, including the International Law on Foreign Investment (3rd Edition, Cambridge University Press, 2010). He has been counsel or arbitrator in several leading investment arbitrations. He is an Honorary Member of the Indian Society of International Law. His new book, Resistance and Change in International Investment Law is to be published by Cambridge University Press.