« 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 Council for Economic Defense (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, The Legal 500Latin Lawyer 250, GCR 100, Expert GuidesWho’s Who Legal and Análise Advocacia 500. Marcelo is recognized as LACCA Thought Leader: Antitrust & competition, and he is LACCA Approved.


  • English
  • French
  • Spanish


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

Additional activities:

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


  • "Brazil" chapter (co-author). In Getting the Deal Through - Merger Control. London: Global Competition Review, 2001-2019.
  • "O Caminho do Direito da Concorrência" chapter (co-author). In 40 Anos de Direito Empresarial no Brasil. São Paulo: Quartier Latin, 2016, p. 123-145.
  • "O ’Novo CADE’ no Cenário Internacional" article. In A Lei 12.529/2011 e a Nova Política de Defesa da Concorrência. São Paulo: Singular, 2015.
  • "Criminalization of Cartels and Leniency: An Exercise in Complexity" article. In Competition Policy International. 2015. 
  • "Competition Law in Brazil" chapter (co-author). In Competition Law in Latin América (co-editor). Alphen aan den Rijn: Wolters Kluwer, 2016.
  • "Brazil: Toward a Mature Cartel Enforcement Jurisdiction?" chapter. In Competition Law in the BRICS Countries. Alphen aan den Rijn: Kluwer Law International, 2012.
  • "The Brave New World of Brazil’s New Competition Law" article. In Competition Law International. International Bar Association, 2012.
  • "A New Competition Law in Brazil: Definitely Maybe" article. In Journal of European Competition Law & Practice. Oxford: Oxford Academic, 2011.
  • "Brazil" chapter. In CLOUS (Competition Laws Outside the United States). Washington DC: ABA (American Bar Association), 2nd ed. 2011.
  • "Concorrência do Setor Elétrico" chapter. In Regulação Jurídica do Setor Elétrico. São Paulo: Lumen Juris, 2006.
  • "Brazil" chapter. In Getting the Deal Through - Vertical Agreements. London: Global Competition Review, 2007-2010.
  • "Brazil" chapter. In Leniency Regimes: Jurisdictional Comparisons. London: European Lawyer Reference, 2007.
  • Direito do Comércio Internacional (co-author). São Paulo: Lex Editora S.A., 2004.
  • "O Mecanismo de Solução de Controvérsias da Organização Mundial do Comércio - OMC: Uma Análise à Luz da Teoria dos Jogos" chapter. In Solução e Prevenção de Litígios Internacionais - Volume II. 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