Joost Pauwelyn is Professor of International Law as well as Head of the International Law Department at the Graduate Institute of International and Development Studies (IHEID) in Geneva, Switzerland and Co-Director of the Institute’s Centre for Trade and Economic Integration (CTEI). He has been a Visiting Professor at Georgetown Law since 2014.

Joost specializes in international economic law, in particular the law of the World Trade Organization (WTO) and Foreign Investment Law. Joost also advises governments and non-state actors in WTO dispute settlement and investor-state arbitration. From 2007 to 2014 he was Senior Advisor with the law firm of King & Spalding LLC. He is co-founder of, an online platform aimed at broadening access to justice under trade and investment treaties.

In Fall 2012 Joost was Visiting Professor at Stanford Law School and in Spring 2013 Visiting Professor at Harvard Law School. Before joining the Graduate Institute in 2007, Joost was a tenured professor at Duke Law School. He also taught at Neuchâtel, Columbia University and New York University. He served as legal officer at the WTO from 1996 to 2002 and practiced law at a major Brussels law firm.

Joost received degrees from the Universities of Namur and Leuven, Belgium as well as Oxford University and holds a doctorate from the University of Neuchâtel. He was appointed on the roster of WTO panelists and as arbitrator under Free Trade Agreements and the Energy Charter Treaty. He is a Member of the ICSID Panel of Conciliators. In 2020, he was selected as one of ten arbitrators for the WTO’s interim appeal system (MPIA). Joost is the author of one of the leading case books on International Trade Law (Aspen, 2016, 3nd ed., with A. Guzman & J. Hillman) and was Co-Editor in Chief of the Journal of International Economic Law from 2015 to 2020.


Contributions to Law Reviews and Other Scholarly Journals

Chris Brummer & Joost Pauwelyn, Editors’ Farewell, 23 J. Int’l Econ L. 791 (2020).
James Hollway, Jean-Frédéric Morin & Joost Pauwelyn, Structural Conditions for Novelty: The Introduction of New Environmental Clauses to the Trade Regime Complex, 20 Int’l Envtl. Agreements 61-83 (2020).
Joost Pauwelyn, WTO Dispute Settlement Post 2019: What to Expect?, 22 J. Int’l Econ. L. 297-321 (2019).
[L] [SSRN]

Selected Contributions to Other Publications

Joost Pauwelyn, Export Restrictions in Times of Pandemic: Options and Limits Under International Trade Agreements, 54 J. World Trade 727-747 (2020).

Book Chapters & Collected Works

Joost Pauwelyn, Defences and the Burden of Proof in International Law, in Exceptions in International Law 88-107 (Lorand Bartels & Federica Paddeu eds., New York: Oxford University Press 2020).