Armand de Mestral has been a CIGI senior fellow since 2014. He has led a project culminating in the publication by CIGI of a book entitled Second Thoughts: Investor-State Arbitration between Developed Democracies.

An expert in international economic law, Armand is professor emeritus and Jean Monnet Chair in the Law of International Economic Integration at McGill University. He has taught constitutional law, law of the sea, public international law, international trade law, international arbitration, European Union law and public international air law.


Armand’s principal research interest is the law of international economic integration. He has prepared books, articles and studies in English and French on international trade law and on Canadian and comparative constitutional and international law. He has served on World Trade Organization and North American Free Trade Agreement dispute settlement tribunals, and public and private arbitration tribunals. He was made a member of the Order of Canada in December 2007, and in 2017 was awarded the John E. Reed Medal by the Canadian Council on International Law. His current work for CIGI focuses on the comparison of domestic and international remedies of foreign investors against states and the impact of investor-state arbitration on developing countries.

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