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Marcelo Zenkner

Marcelo Zenkner

Practice Groups

Administrative Law and Government Projects, Compliance & Investigation


Office: São Paulo
Phone: (55 11) 5086-5000


Professional experience

TozziniFreire´s partner and PhD in Public Law from Universidade Nova de Lisboa with research on "Government and Business Integrity", Marcelo has over 25 years of experience in the legal field, especially in compliance and anti-corruption policies. He was a Public Prosecutor in Espírito Santo State between 1997 and 2019, playing key roles in the fight against organized crime, corruption and administrative misconduct. Marcelo also performed as General Controller of Espírito Santo State and, during his term, he created the first administrative structure in Brazil to apply administrative sanctions of Brazilian Clean Companies Act. After leaving the Public Prosecution, he was selected and appointed to the position of Chief Governance and Compliance Executive Officer at Petrobras, exercising his office from 2019 to 2021.


Marcelo was recognized by his peers as the second most admired compliance executive in Brazil in the 2020 edition of Análise Executivos Jurídicos e Financeiros magazine. He also was acknowledged as one of the 20 most admired business professionals in the compliance field in Brazil, according to a survey published by the Compliance on Top yearbook in 2019 and 2020. He is also recognized by Análise Advocacia 500.


  • English


  • PhD in Public Law from Law School of FDUNL (Faculdade de Direito da Universidade Nova de Lisboa), Portugal, 2018.
  • Master´s degree in Fundamental Constitutional Rights and Guarantees from FDV (Faculdade Direito de Vitória), 2005.
  • Specialized degree in Civil Procedural Law from UCP (Universidade Católica de Petrópolis), 2001.
  • Graduate of the Law School of UFJF (Universidade Federal de Juiz de Fora), 1994.

Additional activities:

  • Member of the Advisory Board of Collective Actions of the Brazil Network of UN Global Compact (United Nations Organization).
  • Member of the CNJ (National Council of Justice) Working Group for the development of integrity and compliance systems within the scope of the Judiciary.
  • Professor at FDV (Faculdade de Direito de Vitória), leader of the Civil Procedural Law and Collective Rights undergraduate and graduate programs, and responsible for developing and coordinating the first specialization program in Compliance and Corporate Anti-corruption Law in Brazil.
  • Visiting professor at FGV-RJ (Fundação Getulio Vargas do Rio de Janeiro), responsible for the Sanctioning Procedure course of the Compliance Continuing Education program.
  • Instructor at LEC (Legal, Ethics & Compliance), responsible for the Anti-Corruption Legislation - FCPA, UKBA and Brazilian Anti-Corruption Law courses in the Intensive Anti-Corruption Compliance program.


  • Compliance no Setor Público (org.). Belo Horizonte: Editora Forum, 2020.
  • Integridade Governamental e Empresarial - Um espectro da repressão e da prevenção à corrupção no Brasil e em Portugal. Belo Horizonte: Editora Forum, 2019.
  • Ministério Público - Lei nº 8.625/1993 (LONMP), co-author. 6th ed. Salvador: Editora JusPodivm, 2018.
  • Ministério Público e Efetividade do Processo Civil. São Paulo: Revista dos Tribunais, 2006.

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