José Del Chiaro

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...

Juliano Di Pietro is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Juliano practices law in São Paulo, Brazil Best Lawyers has recognized Juliano Di Pietro 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 Juliano Di Pietro 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...

With a highly specialized profile, in the indirect taxes area, Mauri serves domestic and multinational companies, taking part in several tax and corporate restructuring transactions and following up on new structures.

Sylvio Fernando Paes de Barros Jr. is a lawyer recognized by Best Lawyers in the practice areas of Arbitration and Mediation and Litigation. Sylvio Fernando practices law in São Paulo, Brazil Best Lawyers has recognized Sylvio Fernando Paes de Barros Jr. 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 Sylvio Fernando Paes de Barros Jr. is held b...

Joyce Roysen is a lawyer recognized by Best Lawyers in the practice area of Corporate Criminal Law. Joyce practices law in São Paulo, Brazil Best Lawyers has recognized Joyce Roysen since 2019. 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 Joyce Roysen is held by other lawyers.

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.

Priscila Regina is a junior partner at the firm. She specialises in tax litigation and consultation, working closely with Fernando Loeser. Priscila has experience handling direct and indirect taxation matters in all court levels, including administrative and judicial cases. Some of the sectors her clientele comes from are the cosmetics, food and beverage and heavy industry. Priscila has been recognized since 2020 by Best Lawyers Brazil as a benchmark in the field of tax professionals. In addi...

Raphael Valentim is a partner with extensive expertise in Corporate, Corporate Governance and Compliance. He has more than fifteen years of experience participating in or leading business structuring projects involving foreign companies, corporate restructuring, shareholder agreements, corporate investigations, implementation of compliance programs and advisory services legal in business areas. He is a highly qualified and experienced professional with a successful track record in efficiently...

Rubens Bezerra Filho has 25 years of experience and is a partner in the contracts and corporate area. Over the years, Rubens has worked in transactions involving natural and legal persons, both domestic and foreign, such as mergers and acquisitions, corporate reorganizations, associations involving Brazilian and foreign entities, corporate structuring of real estate projects, foreign investments in Brazil, idealization, development and implementation of assets protection planning and successi...