Petros C. Mavroidis joined the Columbia faculty in 2003. He served as a member of the World Trade Organization (WTO) legal affairs division from 1992 to 1995 and has been a legal adviser to the WTO since 1996. He was the chief co-rapporteur for the American Law Institute study “Principles of International Trade: The WTO” (2013).

Mavroidis has written 10 books and scores of peer-reviewed journal articles and book chapters. His book The Regulation of International Trade won the 2017 Certificate of Merit in International Law for a distinguished contribution to the field from the Executive Council of the American Society of International Law. The two-volume tome is a meticulous exploration of WTO agreements regulating trade in goods. The third volume of the series, dealing with Trade in Services, was published by MIT Press in 2020.

At Columbia Law, Mavroidis is a member of the Center on Global Governance and serves on the boards of advisers for the Columbia Journal of Transnational Law and the Columbia Journal of European Law.

Among his many affiliations, Mavroidis is a member of the American Law Institute, American Arbitration Association, Non-resident fellow at Bruegel, and the Swiss Institute of Comparative Law.