Fabiano Gallo

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...

J. Mathias von Bernuth is a lawyer recognized by Best Lawyers in the practice areas of Banking and Finance Law, Capital Markets Law, Corporate and M&A Law and Real Estate Law. J. Mathias practices law in São Paulo, Brazil Best Lawyers has recognized J. Mathias von Bernuth since 2015. 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 J. Mathias von Bernuth is ...

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.

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.

Ana Lúcia Pinke Ribeiro de Paiva is a lawyer recognized by Best Lawyers in the practice areas of Employee Benefits Law and Litigation. Ana Lúcia practices law in São Paulo, Brazil Best Lawyers has recognized Ana Lúcia Pinke Ribeiro de Paiva 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 Ana Lúcia Pinke Ribeiro de Paiva is held by other lawyers.

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...

Fernando Novis is a top attorney recognized by Best Lawyers in the practice areas of Arbitration and Litigation. Fernando, who practices law in Brazil, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Fernando is held by other top lawyers in the same geographic and legal practice areas. Fernando has over 16 years' experience of representing Brazilian and foreign clients in Civil, Corporate, Commercial, Regulator...

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

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...

Specialist in Tax Litigation and Advisory, Fernando Westin has a robust background in leading tax litigation teams for both domestic and multinational companies. As a partner focused of the Tax Litigation team in São Paulo, Westin excels in administrative and judicial tax disputes, due diligence processes, and participation in amnesty and installment programs. Recognized as a Highly Recommended Lawyer by ITR World Tax, Highly Recommended by Chambers Brazil, and a Highlight in Best Lawy...