Joost Pauwelyn is a Belgian professor of international economic law at the Graduate Institute of International and Development Studies, in Geneva, Switzerland, and co-director of the institute's Centre for Trade and Economic Integration.^[1][2] He is an expert in World Trade Organization law.^[3][4] He was Murase Visiting professor of law at Georgetown University Law Center in the United States from 2014 to 2021.^[5][6]

Pauwelyn was a tenured professor at Duke Law School in the United States from 2002 to 2008.^[7][8] He received degrees from the universities of Namur and Leuven, in Belgium, and from Oxford University in the United Kingdom. He also holds a doctorate from the University of Neuchâtel in Switzerland.^[9]

He was appointed as appeal arbitrator of the World Trade Organization's Multi-Party Interim Appeal Arbitration Arrangement in the absence of a functioning Appellate Body.^[10][11][12] Pauwelyn was awarded the Paul Guggenheim Prize in 2005 for his 2003 book Conflict of Norms in Public International Law: How WTO Law Relates to Other Rules of International Law.^[13] In 2009, the received the Francis Deák prize, awarded to a younger author for meritorious scholarship published in the American Journal of International Law for his article on non-discrimination.^[14][15] From 2015 to 2020, he was co-editor in chief of the Journal of International Economic Law.^[16]