Professor of University of São Paulo Law School. Master, Doctor and Post-Doctor from the Faculty of Law at USP. Attorney for the State of São Paulo, heading the Legal Advisory of the Sports Secretariat. Former Executive Director of the PROCON Foundation in São Paulo and Commissioner or the Administrative Council for Economic Defense (CADE), Former Legal Consultant to the Ministry of Justice and Advisor to the Minister of the Federal Supreme Court. Former member of the Advisory Council of the National Telecommunications Agency (Anatel) and of the Basic Sanitation Guidance Council of the Public Services Regulatory Agency of the State of São Paulo (Arsesp). He was President of the Institute of Consumer Policy and Law (Brasilcon) and was part of the Committee of Jurists appointed by the Federal Senate to update the Brazilian Consumer Protection Code. Author of several books and articles especially on consumer law, competition law, personal data protection, e-commerce law, procedural law and commercial law.