Arthur Barrionuevo is a Professor of Economics at the Getulio Vargas Foundation (FGV -SP) in the Administration and Law Schools. He also works as a senior economic consultant in the areas of defense of competition and telecommunications regulation, having worked for FGV Consult and Tendências Consultoria Integrada. He was the Chairman of the Board of Directors of FINEP (Financier of Studies and Projects - Rio de Janeiro - RJ, 1999), a financial institution dedicated to R&D financing of Brazilian companies and served as Secretary of Technological Development of the Ministry of Science and Technology (Brasília - DF 1999), where he was responsible for public policies to support business innovation. In the area of competition defense, he served as advisor to CADE (Administrative Council for Economic Defense - "Brazilian FTC" - Brasília - DF 1997-1999), the Brazilian antitrust authority under President Fernando Henrique Cardoso. He acts as a consultant for companies and law firms in Brazil, in competition policies and regulatory issues. He also worked as a consultant for ANATEL, the Brazilian telecommunications agency, in the WACC infrastructure access and calculation regulations in the telecommunications sector. Professor Barrionuevo has published several articles in Specialized Journals of Applied Economics and Law and has published several articles in newspapers, on issues such as competition and convergence of telecommunications services in Brazil and competition policies. He is a frequent speaker on competition and regulatory policies in Brazil.