Professor Portuese is an antitrust expert on US antitrust laws and EU competition laws.
Aurelien Portuese is the Research Professor and Founding Director of the GW Competition & Innovation Lab at the George Washington University.
Professor Portuese’s most recent book was published in 2025, “The Battle for the Future of Antitrust: Brandeis, Bork and Schumpeter” (Palgrave). Professor Portuese published the book Algorithmic Antitrust in 2022, and the book The Principle of Economic Efficiency in the European Case-Law in 2014.
Aurelien Portuese has published several articles on antitrust, including in the Stanford Journal of Law, Business & Finance, George Mason Law Review, Columbia Journal of European Law, Journal of Economic Affairs, European Journal of Law & Economics, Journal of Law, Economics & Policy, Manchester Journal of International Economic Law, European Law Journal, Concurrences, Competition Policy International. He also wrote numerous op-eds, shorter articles, and public comments for regulatory authorities.
Professor Portuese was nominated for the 2022 Antitrust Writing Award for his article Precautionary Antitrust and for the 2019 Antitrust Writing Award for his article Antitrust Populism.
Professor Portuese is the Editor of the Symposium Beyond Dynamic Competition of the ABA’s Antitrust Law Journal to be published in 2024.
He is also a member of the intergovernmental group of experts on Competition Law and Policy of the United Nations Conference on Trade and Development (UNCTAD). He regularly speaks at conferences and private events.