Jansen Calamita

N. Jansen Calamita is Principal Research Fellow, Centre for International Law, and Research Associate Professor (CIL), Faculty of Law, at the National University of Singapore. He is head of the Centre’s programme on Investment Law and Policy. He was previously Director of the Investment Treaty Forum at the British Institute of International and Comparative Law in London. He has previously held posts on the law faculties of the University of Oxford and the University of Birmingham.

Jansen has served in the Office of the Legal Adviser in the U.S Department of State, representing the United States in international claims and investment disputes, including before the Iran-U.S. Claims Tribunal. Previously, he served in the U.N. Office of Legal Affairs in the UNCITRAL Secretariat. He began his career in New York in the litigation/arbitration practice of what is now Arnold & Porter Kaye Scholer.

Jansen is a Consultative Expert to the United Nations Conference on Trade and Development and a member of the editorial board of the Yearbook of International Law and Policy (Oxford University Press).

Research interests

• International Investment Law and Policy
• International Dispute Settlement
• Public International Law
• Legal Theory