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Rafael de Castro Alves

Partner

Rafael is a Partner at our Brasilia Office and heads our banking and financial services practice.

Prior to joining private practice, he served as a Federal Attorney for the Brazilian Central Bank from 2014 until September 2023. In this role, Rafael represented the Central Bank and its officers in significant cases before Superior Courts. He also provided consultancy services related to the supervision of the financial system, focusing on authorizations for the operation of supervised entities and in administrative sanctioning procedures. More recently, he undertook the responsibility of conducting legal analyses for regulatory proposals to be issued by both the Central Bank and the National Monetary Council.

Rafael holds a master’s degree in law and finance from Johann Wolfgang Goethe University in Frankfurt (LL.M Finance). He additionally serves as an editorial consultant for the Journal of the Attorney General of the Brazilian Central Bank.

Presently, he is also a Legislative Consultant at the Federal Senate, specializing in Economic Law and Regulation, Business Law, and Consumer Law

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Languages: French, English and Portuguese.

Marcelo Cavali

Partner

Partner at Madruga BTW in the areas of Criminal, Litigation and Administrative Law, with a focus in the Financial and Capital Markets.

He served as a Federal Judge for fifteen years, working in the Specialized Court for Financial Crimes and Money Laundering in São Paulo. During his tenure as a judge, he tried the country’s first cases of insider trading and market manipulation. He also handled significant cases related to money laundering and financial crimes.

He also served as an Assistant Judge at the Federal Supreme Court, the Superior Court of Justice, the Superior Electoral Court, and the National Council of Justice.

Since 2020, he has held the position of Professor of Economic Criminal Law at FGV-SP and has earned a Doctorate in Criminal Law from the University of São Paulo (USP). He was a researcher at Columbia Law School and conducted post-doctoral studies at Harvard Law School .

Starting in May 2023, he has been admitted as a Legislative Consultant for the Federal Senate, specializing in Criminal Law, Criminal Procedure, and Public Security.

Author of books and academic articles in Brazil and abroad. Some of them include: CAVALI, Marcelo Costenaro. General anti-avoidance rules: reflections on their constitutionality in Portugal and Brazil. Coimbra: Almedina, 2006. CAVALI, Marcelo Costenaro. Market Manipulation in Capital Markets: Foundations and Limits of Criminal and Administrative Enforcement. São Paulo: Quartier Latin, 2018. CAVALI, Marcelo Costenaro. Insider Trading: administrative and criminal enforcement of insider trading. São Paulo: Quartier Latin, 2022.

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Languages: Spanish, French, English and Portuguese.

Felipe Figueiredo Gonçalves

Partner

He works in the area of Economic and Business Criminal Law at Madruga BTW, in Brasília, focusing on the criminal defense of individuals and the representation of companies that are victims of crimes.

He was a researcher at the Grupo de Ensino e Pesquisa em Inovação (GEPI) at Fundação Getúlio Vargas in São Paulo (FGV-SP), where he coordinated the creation and implementation of the Laboratory of Nascent Companies of Technology (LENT). He is currently a contributor to the Brazilian Institute of Criminal Sciences (IBCCRIM).

Masters in law and Development from the Fundação Getúlio Vargas School of Law in São Paulo (FGV-SP).

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Languages: Spanish, English and Portuguese.

Wilkie Rebouças

Partner

Lawyer specialized in Administrative Law, Criminal Law and Litigation.

Degree in Law from the Federal University of Rio Grande do Norte (UFRN, 1991).

Doctoral candidate in Constitutional Law at the University of Buenos Aires (UBA).

In the public area, he has held the position of Attorney of the State of Rio Grande do Norte since 1997 and, since December 2019, the elective position of Procurador Corregedor-Geral of the State of Rio Grande do Norte.

He is a member of the National Defense Commission of the Federation of the Federal Council of the OAB.

He also held the positions of Attorney General of the Municipality of Natal, Attorney General of the State of Rio Grande do Norte, President of the National College of Attorneys General of the States and the Federal District (CONPEG) for two biennia, President of the Association of Attorneys of the State of Rio Grande do Norte, President of the Fiscal Council of the National Association of State Attorneys (ANAPE) and judicial analyst of the Regional Labor Court of Rio Grande do Norte.

He was a Professor at the Federal University of Rio Grande do Norte (UFRN), at the Potiguar University (UNP) and at the Rio Grande do Norte School of Labor Magistracy. (ESMAT)

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Languages: Portuguese.

Frederico Martins

Partner

He leads the Administrative Law area, working in particular on topics related to Anti-Corruption and Administrative Improbity Laws, Sanctioning Law, in addition to being specialized in bids and contracts.

With an outstanding performance in Public Law, he has already been a member of the Attorney General’s Office, was a Federal Attorney at the Attorney General’s Office and currently also holds the public office of Attorney of the State of Rio Grande do Norte.

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Languages: English and Portuguese.

Alexandre Cordeiro

Partner

Lawyer specialized in Administrative Law with emphasis on the management of administrative contracts, regulatory and sanctioning aspects of Public Administration and consensual alternatives for conflict resolution.

He worked in the Federal Public Ministry as a career servant for eleven years, integrating, throughout the period, the superior advisory body with the PRR – 3rd Region.

Transferred to work with the municipal executive power of São Paulo, he held the legal superintendence of the Municipal Urbanization Company – EMURB, for a period of three years.

He then served for eighteen years at the Court of Auditors of the Municipality of São Paulo, holding the position of Chief of Staff and the appointment of Substitute Counselor.

Master and Specialist from the Pontifical Catholic University of São Paulo – PUC/SP, respectively in the areas of State Law and Business Law.

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Languages: English and Portuguese.

Joana Siqueira

Partner

Partner at Madruga BTW and an expert in corporate responsibility and executive liability. Joana works in the areas of Corporate Criminal Law, Sanctioning Administrative Law, Corporate Ethics, and Compliance. For ten years, she worked as an in-house attorney for a private economic group, responsible for defense strategies in strategic judicial and administrative proceedings.

She has defended individuals and legal entities in various criminal actions and sanctioning processes, including cases related to Lava Jato Operation, Postalis, and Ponto Final, among others.

Joana holds a Master’s degree in Economic Criminal Law from FGV-SP, where she developed a dissertation and published works on the topic of liability for improper omission by controlling shareholders. She also has a postgraduate degree in State and Regulatory Law from Fundação Getúlio Vargas in Rio de Janeiro (FGV-RJ).

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Languages: English and Portuguese.

Claudia Chagas

Partner

Partner at Madruga BTW in Brasília, she joined the Firm after more than 24 years of career as a Public Prosecutor (MPDFT).

She was National Secretary of Justice and Counselor to the National Council of the Public Ministry (CNMP) for two terms.

She leads the firm’s Data Protection area and works in the areas of Criminal and Administrative Law, especially in matters related to Anti-Corruption and Administrative Improbity Laws, Sanction Law, bids and contracts.

Masters in law, State and Constitution from the University of Brasília (UnB) and Specialist in Criminal Justice Systems from the Federal University of Santa Catarina (UFSC). She is a member of the Instituto dos Advogados do Distrito Federal (IADF).

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Languages: English and Portuguese.

Carlos Wehrs

Partner

Partner at Madruga BTW in Rio de Janeiro, he leads the Corporate Criminal area, focusing on the criminal defense of individuals and representing companies that are victims of crimes.

Guest professor of Criminal Law and Economic Criminal Law at the postgraduate and graduate levels at FGV.

Master’s in law from Universität Augsburg, Germany, Specialist in Criminal Sciences and Public Security from the State University of Rio de Janeiro (UERJ), Specialist in Economic Criminal Law from the University of Coimbra/Brazilian Institute of Criminal Sciences (IBCCRIM).

Lawyer registered at the Portugal BAR.

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Languages: German, English and Portuguese.

Mariana Tumbiolo

Partner

Mariana Tumbiolo is a partner in Madruga BTW São Paulo office. She is a dual-qualified attorney, registered with the Brazilian and the California Bar Associations.

Mariana is a member of the Women’s White Collar Defence Association and Concilium – Global Compliance, Investigation & Defense Network. She also serves as the chairman of the board of the Brazil-US “40 and Under” White Collar Lawyers Initiative.

Mariana has represented individuals and companies in several major criminal investigations and proceedings, such as Operation Zelotes, Pausare and Lava Jato.

Master’s in criminal law from the University of São Paulo Law School (USP) and LL.M from Northwestern Law School, Chicago, USA.

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Languages: Spanish, English, Italian and Portuguese.