« Back

Marcelo Calliari

Marcelo Calliari

Practice Groups

Antitrust, International Trade


Office: São Paulo
Phone: (55 11) 5086-5313


Professional experience

Head of the Competition Law practice and member of TozziniFreire’s Executive Committee, Marcelo was a commissioner of the Administrative Economic Defense Council (CADE), the Brazilian Competition Commission, from 1998 to 2000, and president of the Brazilian Institute of Studies on Competition, Consumer Affairs and International Trade (IBRAC), from 2010 to 2011. In addition, he has worked as an editorial writer and New York correspondent for the newspaper Folha de S.Paulo, the largest daily paper in Brazil. He frequently lectures on Antitrust and Trade issues at events organized by the IBA, ABA, IBRAC and other entities around the world. Marcelo has also acted as a non-governmental advisor before the ICN (International Competition Networking).


Marcelo is consistently recognized as a leading lawyer in competition and trade law in national and international legal publications such as Chambers Global, Chambers Latin America, Legal 500, Latin Lawyer 250, GCR 100, Euromoney Expert Guides, Who’s Who Legal and Análise Advocacia 500. Marcelo Calliari is LACCA Approved: Latin America’s leading private practitioner for Antitrust.


  • English
  • French
  • Spanish


  • Doctor of Laws degree in International Law from Universidade de São Paulo (USP), 2003.
  • LL.M. degree from Harvard University, 1996.
  • Graduate of the Law School of Universidade de São Paulo (USP), 1989.
  • Graduate in Economic Sciences from the Economy School of Pontifícia Universidade Católica de São Paulo (PUC-SP), 1989.

Additional activities:

  • Chair of the International Trade and Customs Law Committee of the International Bar Association (IBA).
  • Co-Chair of the Competition Group of the Task Force on Regulatory Agencies of the Brazilian-American Chamber of Commerce for Brazil (AMCHAM).
  • Member of the Editorial Board of the publication Competition Law International of the International Bar Association (IBA).
  • Vice-chair of the International Trade Committee of the Association of Brazilian Law Firms (CESA).
  • Senior Board Member of the Brazil-China Business Council. 
  • Former president of the Brazilian Institute of Studies on Competition, Consumer Affairs and International Trade (IBRAC).
  • Non-Governmental Advisor (NGA) of International Competition Network (ICN).


  • Author of the chapter "O Caminho do Direito da Concorrência", from the book 40 Anos de Direito Empresarial no Brasil. São Paulo: Quartier Latin, 2016, p. 123-145.
  • Author of the article "O ’Novo CADE’ no Cenário Internacional", from the book A Lei 12.529/2011 e a Nova Política de Defesa da Concorrência. Ed. Singular.
  • Author of the article "Criminalization of Cartels and Leniency: An Exercise in Complexity", Competition Policy International. 2015. 
  • Co-author of the "Competition Law in Brazil" chapter and coeditor of the book Competition Law in Latin America. Wolters Kluwer, 2016.
  • Author of the "Brazil: Toward a Mature Cartel Enforcement Jurisdiction?" chapter from the book Competition Law in the BRICS Countries. Alphen aan den Rijn: Kluwer Law International, 2012.
  • Author of the article "The Brave New World of Brazil’s New Competition Law", from the publication Competition Law International. International Bar Association, 2012.
  • Author of the article "A New Competition Law in Brazil: Definitely Maybe", from the publication Journal of European Competition Law & Practice. Oxford Academic, 2011.
  • Author of the "Brazil" chapter from the publication CLOUS (Competition Laws Outside the United States). Washington DC: ABA (American Bar Association), 2nd ed. 2011.
  • Author of the "Concorrência do Setor Elétrico" [Electrical Sector’s Competition] chapter from the book Regulação Jurídica do Setor Elétrico [Legal Regulation in the Electrical Sector]. São Paulo: Lumen Juris, 2006.
  • Author of the "Brazil" chapter from the publication Getting the Deal Through - Vertical Agreements. London: Global Competition Review, 2007 to 2010 ed.
  • Author of the "Brazil" chapter from the publication Getting the Deal Through - Merger Control. London: Global Competition Review, 2001-present ed.
  • Author of the "Brazil" chapter from the publication Leniency Regimes: Jurisdictional Comparisons. European Lawyer Reference, 2007.
  • Co-author of the book Direito do Comércio Internacional [International Trade Law]. São Paulo: Lex Editora S.A., 2004.
  • Author of the "O Mecanismo de Solução de Controvérsias da Organização Mundial do Comércio - OMC: Uma Análise à Luz da Teoria dos Jogos" [The Dispute Resolution Mechanism of the World Trade Organization (WTO): An Analysis in the Light of Game Theory] chapter from the publication Solução e Prevenção de Litígios Internacionais - Volume II [Resolution and Prevention of International Litigations]. Porto Alegre: Livraria do Advogado, 1999.
  • Several articles in specialized publications, such as: Antitrust, Competition Law International and Journal of European Competition Law & Practice.

« Back