Igor Fonseca Brito

Mariana is the Managing Partner and Head of Corporate and M&A at Leite, Tosto e Barros Advogados, bringing over two decades of experience in Corporate Law, Mergers & Acquisitions, Governance, Compliance, and Data Protection. As Managing Partner, she leads the firm’s strategic direction and ensures operational excellence across finance, IT, marketing, and administration—combining leadership vision with technical and business precision. As Head of Corporate and M&A, Mari...

Bachelor Degree in Law by Rio de Janeiro Law School at Getulio Vargas Foundation (FGV), Rio de Janeiro, 2015. Lato Sensu Post Graduate in “Tax Law and Public Finances” at Institute of Public Law (IDP), Brasília, May 2019. Lawyer with focus and practice in Public Law, Tax Law and Dispute Resolution, in Supreme Court (STF), Superior Court of Justice (STJ) and at the Federal Regional Court of the First Region (TRF-1). Lawyer and Partner at Advocacia Fernanda Hernandez since 2015.

Aluisio Berezowski is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Aluisio, who practices law in São Paulo, Brazil, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Aluisio is held by other top lawyers in the same geographic and legal practice area.

Zanon de Paula Barros is one of the founding partners of Leite, Tosto e Barros and his work is recognized by various publications. As an example of his participation in relevant cases, he took an active part, at the beginning of the privatization processes, in the telecommunications and electricity tenders. Advised a business group on the transfer of several cable television concessions. He also advised a client on the sale of a very large sugar and alcohol company

Rodrigo Caserta Practice Area Tax law, specializing in litigation and consultancy related to indirect taxation. Professional Affiliations Brazilian Bar Association, Rio de Janeiro and São Paulo state sections and the Brazilian Fiscal Law Association – ABDF. Languages Portuguese and English.

Paulo Vítor Ângelo is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law. Paulo Vítor, who practices law in Belo Horizonte, Brazil, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paulo Vítor is held by other top lawyers in the same geographic and legal practice area.

João Augusto Basilio is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. João Augusto, who practices law in Rio de Janeiro, Brazil, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which João Augusto is held by other top lawyers in the same geographic and legal practice area.

Leonardo Martins Wykrota is a partner of Vilas Boas, Lopes e Frattari Advogados with large experience in strategic counselling and litigation involving Corporate, Consumer, Regulatory and Civil Law. He stands out for his dealings with concession holder companies and enterprises on the mining, steel industry, automotive, industrial, and heavy construction fields. Leonardo Wykrota is an Economic and Corporate Law specialist from Fundação Getúlio Vargas – FGV (2004) an...

Daniel Vilas Boas is a partner of Vilas Boas, Lopes e Frattari Advogados with more than 20 years of experience in Civil and Corporate Litigation. He focuses on managing special litigations, aiming to execute the best strategy with technical expertise. Currently, he has been conducting cases of great impact in Commercial Law. Vilas Boas was graduated from Universidade Federal de Minas Gerais (1998), and is a Master and Doctor of Law by Universidade Federal de Minas Gerais (2003 and 2008). Besi...

Roberto Duque Estrada Practice Area Tax law with emphasis on tax litigation, income tax (corporate and individual) and international taxation, dealing with matters related to corporate restructuring, domestic and international tax planning and with high net worth individuals. Career Roberto Duque Estrada is a founding partner at Brigagão, Duque Estrada – Advogados. He started his carrer as an associate lawyer, working with Professor Alberto Xavier, first at Castro Barros Sobral &...