Ricardo Zamariola

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...

Prof. Dr. Marcelo von Adamek is the founding partner of Advocacia von Adamek, bringing to his firm more than 25 years of legal expertise across a diverse range of practice areas, including Corporate Law & Capital Markets, Business Contracts, Private Insurance, Mergers & Acquisitions, Restructuring & Bankruptcy, and Civil & Business Litigation. His comprehensive services include strategic consulting, litigation, and delivering legal opinions. Prof. Dr. von Adamek’s distin...

Ricardo Tosto is a partner and one of the founders of the firm. He works particularly in the areas of Credit Recovery, Banking Contracts, Bankruptcy, Judicial Reorganization, Acquisition Review, Corporate Restructuring, Administrative, Electoral, Civil and Commercial Law. Previously, Mr. Tosto worked as an advisor to the Legal and Human Resources Board of Grupo Rede and as director of the Rede Private Pension Foundation. He was president of the Judiciary Modernization Commission and the Judic...

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.

Master and PhD in Criminal Procedure Law at Faculdade de Direito da Universidade de São Paulo (USP); Bachelor in Laws at Faculdade de Direito da Pontifícia Universidade Católica de São Paulo (PUCS-P); Professor for IBMEC Graduation Course; Member of CEAPRO – Centro de Estudos Avançados de Processo; Former President, Treasure Director and Secretary-General of the Brazilian Bar Association – Sub-section of Pinheiros in São Paulo/SP; Coordina...

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.

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...

André Blotta Laza is a lawyer recognized by Best Lawyers in the practice area of Labor and Employment Law. André Blotta practices law in São Paulo, Brazil Best Lawyers has recognized André Blotta Laza since 2025. 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 André Blotta Laza is held by other lawyers.

Eduardo Amirabile de Melo is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Eduardo Amirabile practices law in São Paulo, Brazil Best Lawyers has recognized Eduardo Amirabile de Melo 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 Eduardo Amirabile de Melo is held by other lawyers.

Mariana Tavares Antunes holds a bachelor’s degree in law from the Pontifical Catholic University of São Paulo (PUC-SP) and is a member of the São Paulo Lawyers Institute (IASP). She attended the Advanced Mediation Workshop: Mediating Complex Disputes, of the Harvard Negotiation Institute (HNI), in 2017.