Luiz Santiago is an associate in the Anti-Corruption & Compliance practice of Tauil & Chequer Advogados in association with Mayer Brown in the Rio de Janeiro office.

He joined the firm in 2016 from one of the most traditional and prestigious criminal litigation boutiques in Brazil, where he represented clients in bid rigging, tax evasion, environmental crimes, as well as money laundering investigations and prosecutions. He has also represented clients in criminal proceedings in the Superior Courts and in large-scale police investigations.

Luiz has experience in enforcement actions, having also assisted domestic and foreign clients in internal investigations, negotiations with public authorities, background checks, due diligence proceedings, developing, implementing and evaluating compliance programs and general queries regarding both Brazilian and foreign Anti-Bribery legislation, notably the US Foreign Corrupt Practices Act and the UK Bribery Act.

He also advises companies in regards to the Brazilian Data Privacy regime, its cyber security and privacy requirements, data breaches, international data transfers and litigation.

Luiz represented individual clients in “Operation Car Wash”, and has also provided legal assistance to Banco Bradesco, BRF, Dow Chemical Company, Intercontinental Hotels Group, Mizuho, Noble Drilling, Banco Safra, Saipem, Veolia, Total, Whatsapp, Mitsubishi Electric, Raízen Energia, Mitsui & Co., Ltd, Brookfield, OneSubsea (Schlumberger), and other domestic and foreign clients.

While still an undergraduate student, Luiz attended Harvard Law School for a semester focusing his studies on criminal litigation, white-collar crimes and compliance, antitrust Law and transnational enforcement.

Spoken Languages

  • Portuguese
  • English
  • Spanish


  • Anti-Corruption & Compliance programs and internal policies: creation, revision, improvement, adaptation of multijurisdictional programs and policies as per Brazilian Law, implementation, training and supervision of its operation;
  • Conducting internal investigations;
  • Assistance to clients in Anticorruption & Compliance administrative (Law no. 12,846/2013) and judicial (Law no. 12,846/2013 and Law no. 8,429/92 – “Administrative Improbity Act”) litigation and disciplinary proceedings;
  • Third Party Due Diligence in the context of corporate and commercial transactions.
  • Interaction with enforcement agencies (Prosecutor's Office, Police, Brazilian Federal Revenue Office and others);
  • Assistance to clients in remediation projects with public authorities, cooperation and settlements (plea bargain, leniency agreements and Conduct Adjustment Agreements – “TAC”);
  • Drafting, revising, triggering and defending from alleged infractions of Anticorruption & Compliance clauses in corporate and commercial agreements;
  • General queries regarding Brazilian and foreign Anticorruption legislation and risk-assessment of commercial transactions;
  • Data Privacy and Cyber-Security: consultancy, creation, revision and implementation of internal policies, adaptation of internal rules and policies as per the applicable Brazilian and foreign legislation, notification and defense from alleged breaches;
  • Assistance to clients who have been accused of committing bid rigging, tax evasion, environmental crimes, crimes against the state and money laundering investigations and prosecutions.
  • Criminal investigations and proceedings in the Superior Courts.
  • Assistance to individual defendants in the Petrobras/Car wash case.
  • Assistance to clients in connection with Congressional Investigations Committees (CPI) in Brazil.
  • Assistance to clients in queries regarding repatriation of assets held by Brazilian tax residents abroad (Law n. 13.254/2016).
  • Assistance to clients in queries regarding criminal lawsuits and criminal procedure.


Fundação Getúlio Vargas, Bachelor of Law (JD equivalent)

Harvard Law School, Exchange Student



  • Brazil


  • Lecturer, “The Constitutional Development of the Death Penalty in the United States” –  Fundação Getúlio Vargas, 2014
  • Lecturer, “Deciphering the Mensalão” – Fundação Getúlio Vargas, 2012