Leticia Aureliano Florentino

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...

Clarissa Marcondes Macéa is a partner at Wald, Antunes, Vita e Blattner Advogados, holds a bachelor’s degree from the University of São Paulo (USP), a Master of Laws (LL.M.) from Harvard University, and attended the École Nationale d’Administration – ENA (CISAP). She has worked as a Law Clerk at the Brazilian Supreme Court (2017-2020), was the Legal Head for the Assistance and Social Development Secretariat of the City of São Paulo (2015-2017), an...

Jorge Henrique Amaral Zaninetti is a lawyer recognized by Best Lawyers in the practice area of Trade Law. Jorge Henrique practices law in São Paulo, Brazil Best Lawyers has recognized Jorge Henrique Amaral Zaninetti since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jorge Henrique Amaral Zaninetti is held by other lawyers.

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

Partner Andreas has extensive experience in Labor, Employment, and Social Security Law, with a distinguished track record in strategic litigation and oral arguments before the Regional Labor Courts. He represents major investment banks and multinational corporations in the energy, metallurgy, telecommunications, construction, logistics, and outsourcing sectors in highly complex and institutionally significant disputes. He also represents Leite, Tosto e Barros and its clients before the Superi...

Fernanda Pereira Leite is a lawyer recognized by Best Lawyers in the practice area of Non-Profit / Charities Law. Fernanda practices law in São Paulo, Brazil Best Lawyers has recognized Fernanda Pereira Leite since 2022. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Fernanda Pereira Leite is held by other lawyers.

Décio Policastro is a lawyer recognized by Best Lawyers in the practice areas of Appellate Practice, Civil Rights Law and Litigation. Décio practices law in São Paulo, Brazil Best Lawyers has recognized Décio Policastro since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Décio Policastro is held by other lawyers.

Ana Cristina de Paulo Assunção is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Ana Cristina de Paulo practices law in São Paulo, Brazil Best Lawyers has recognized Ana Cristina de Paulo Assunção since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ana Cristina de Paulo Assunção is held by other lawyers.

Antonio Carlos de Oliveira Freitas is a top attorney recognized by Best Lawyers in the practice area(s) of Agriculture & Rural Affairs. Antonio Carlos, who practices law in São Paulo, Brazil, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Antonio Carlos is held by other top lawyers in the same geographic and legal practice area. He is Master's degree in Business Law from Fundação Get&u...

Aluisio Berezowski is a lawyer recognized by Best Lawyers in the practice area of Litigation. Aluisio practices law in São Paulo, Brazil Best Lawyers has recognized Aluisio Berezowski since 2022. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Aluisio Berezowski is held by other lawyers.