
Our professionals
Marcel Ribas

Areas of expertise
Experience
A specialist in complex investigations, corporate governance and compliance, Marcel concentrates his practice on internal investigations and protecting clients against risks linked to corruption, money laundering, international sanctions and fraud.
Marcel is admitted to practice in Brazil and in the United States (New York). He is experienced in advising and defending clients in high-profile cross-border anticorruption cases, and regularly provides companies and management with strategic advice during investigations and their responses to other sensitive issues, such as criminal investigations against employees and third parties, misappropriation of assets, environmental incidents, human rights violations, discrimination, and moral and sexual harassment.
Education
Bachelor of Laws – Faculdade de Direito de Curitiba;
Master of Laws (LL.M.) – Columbia Law School, USA;
Specialization in Corporate Law – Fundação Getulio Vargas (FGV).
Recognitions
Latin Lawyer 250 – Anti-corruption investigations and compliance (2024 – 2025);
The Legal 500 – Next Generation Partners: Compliance (2023, 2025);
Análise Advocacia – Compliance (2022) and Trade (2022).
Compliance in Brazil: the outlook for 2024
Subjects:
Brazil enacts law regulating sports betting and online games
Subjects:
Brazil: innovations in private social investment
Mattos Filho releases infographic on leniency agreements and summary judgments in Brazil
Subjects:
New law establishes measures to combat sexual harassment at work
DOJ decision to open Saab probe divides experts
Lawyers in Brazil, Europe and the United States are split on whether the DOJ should have opened an investigation into a contract that Swedish defence company Saab struck with the Brazilian government, years after prosecutors in Brazil and Sweden decided against taking any action.
Click here and read the article on Global Investigations Review.
Areas of expertise
Brazilian companies not motivated to self-report on corruption, say panellists
Lack of incentives for companies to self-disclose violations to Brazilian authorities – paired with an unsettled corporate sentiment toward local anti-corruption enforcement – means that law firms play a critical role advising organisations on their compliance programmes, said panellists at yesterday’s anti-corruption and investigations conference in São Paulo.
Click here and read the article on Latin Lawyer.
Areas of expertise
Mattos Filho announces promotion of nine associates to partners
Stay in touch
Get first-hand access to legal analysis from our specialists in different sectors through texts and podcasts. Stay on top of the main issues that impact your business.