N. Jansen Calamita is Head of International Economic Law & Policy, Centre for International Law, and Research Associate Professor (CIL), Faculty of Law, National University of Singapore. He has previously held posts at the University of Oxford, the University of Birmingham, and the British Institute of International and Comparative Law. Prior to entering academia, he served in the Office of the Legal Adviser in the US Department of State and in the UNCITRAL Secretariat. He began his career in private practice in New York.

Jansen has published widely on topics related to foreign investment and public international law. Recent publications include Investment Treaties and the Rule of Law Promise (Cambridge University Press 2022) and ASEAN and the Reform of Investor-State Dispute Settlement (Elgar 2022). In addition to his academic work, he advises states on matters relating to foreign investment and investor-state disputes.