Maria José AZAR-BAUD is a Doctor in Law, with a double PhD from University of Paris 1 Panthéon-Sorbonne (France) and University of Buenos Aires (Argentina). She is an Associate Professor (Maître de conférences de France) at University of Paris-Sud (http://www.u-psud.fr), where she teaches Consumer law, Distribution law, Contracts, Comparative law, International law, and International sales. She is also a Lecturer in business schools (namely ESCP Europe – Paris Campus, France) in Bachelors’ degree and in Masters’ degree and in Universities at an international level. She stands at the head of Paris-Saclay Legal Clinics, with Véronique Magnier, and is a researcher at IDEP (Institut Droit Ethique Patrimoine, http://www.idep.u-psud.fr). In 2017, she founded the Observatory of Group and Collective Actions (www.observatoireactionsdegroupe.fr), an international group of researchers that collects information on Class actions – Group actions and Collective redress and analyses it from an interdisciplinary point of view. In the past, she was a lawyer at the Bar of Buenos Aires, evolving as the Legal Director of a consumer association where she engaged collective actions and participated in the negotiation of out-of court agreements (2001-2003) and as In-house legal counsel of one of the most important life insurance companies (2003-2005), where she contributed to a sharp low of the rate of litigation throughout the set up of a Consumer law-Compliance programme.