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/ Logo du CERIUMFaculté des arts et des sciencesCentre d'études et de recherches internationales

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Research Fellow

Gabrielle Marceau, Ph.D., has been Senior Counselor in the Research Division (ERSD) of the WTO Secretariat since May 1, 2020.


In September 1994, Ms. Marceau joined the GATT Secretariat and, for several years, her main function was to advise members of WTO panels, dispute managers, members of the Office of the Director-General, the Secretariat and WTO Members on WTO-related issues. From September 2005 to January 2010, she was legal adviser in the office of former WTO director general Pascal Lamy, and from September 2016 to January 2017, acting director, head of the legal affairs division.

Gabrielle Marceau is also an associate professor at the Faculty of Law of the University of Geneva. She has been a visiting professor at the Graduate Institute of International and Development Studies (HEID) in Geneva, the Sorbonne in Paris, Monash University in Melbourne, the World Trade Institute in Bern and many other institutions. Ms. Marceau is also involved in several associations and groups promoting international (economic) law. She has published numerous articles on WTO law and international economic law.

As a member of the Quebec/Canada Bar, Gabrielle Marceau also worked in private practice in Quebec, mainly in labor law, insurance and civil law.

She holds a doctorate in international law from the University of London.



The History of Law and Lawyers in the GATT/WTO: The Development of the Rule of Law in the Multilateral Trading System, (sous la direction de Gabrielle Marceau) Cambridge, 654 pages. 

Antidumping and Antitrust Issues in Free-Trade Areas, Oxford University Press, Clarendon Press Collection, 1994 (ré-imprimé trois fois) 


"IGOs’ Initiatives as a Response to Crises and Unforeseen Needs" (published online ahead of print 2022) in IOLR, p. 1-60 ( (avec Nicola Bonucci, André-Philippe Ouellet, et Rebecca Walker) 

"Silence in WTO" in JWTVolume 56, Issue 2 (2022) pp. 187 – 214 (avec Rebecca Walker et Niki Koumadoraki). 

"The Role of the WTO in the Global Response to the covid-19 Pandemic" dans COVID19 and International Organizations: Challenges and Opportunities from the Perspective of Good Governance and the Rule of Law, dans IOLR 18 (2021) 335–369 (avec Shivani Gard). 

"COVID-19 and International Trade: The Role of the WTO in Fighting the Pandemic and Building Back Better" dans Special Issue: Selected Perspectives on Sustainable TradeCTCG (2021), Vol 16, Issue 7/8, July 2021 (avec Pramiti Parwani). 

"Never Waste a Good Crisis: The End of the WTO Dream, or the Beginning of Something Greater?" (editorial) (2020) 17(2) International Organizations Law Review 345. 

"Trade and Women – Opportunities for Women in the framework of the World Trade organization", dans JIEL (2019), Vol 22, No.3 (avec plusieurs co-auteurs).