Member of French Competition Authority since March 19th, 2019, Catherine Prieto is Professor of Law (1995) at the Ecole de droit de la Sorbonne, University Paris 1 Panthéon-Sorbonne. She was previously Professor at University Paul Cezanne Aix-Marseille where she was Vice-Dean (1999), then Vice-President (2002-2005). She lectures in competition law and in European market law. She is co-author of several books and papers on European competition law, European single market law and European contract law. She regularly publishes commentaries on ECJ cases concerning competition law and free movement for services and establishment in several legal reviews. She is co-editor of the Revue trimestrielle de droit européen (Dalloz). Her consulting activities focus on antitrust law and the EU single market. She is one of the founding members of the European network of legal experts Trans Europe Experts (TEE).