José Alves Ribeiro Jr.

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...

Regina C. Baraldi Bisson is a lawyer recognized by Best Lawyers in the practice areas of Civil Rights Law, Labor and Employment Law and Real Estate Law. Regina C. practices law in São Paulo, Brazil Best Lawyers has recognized Regina C. Baraldi Bisson 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 Regina C. Baraldi Bisson is held by other lawyers.

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.

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...

Mauro Takahashi Mori is a lawyer recognized by Best Lawyers in the practice area of Corporate and M&A Law. Mauro Takahashi practices law in São Paulo, Brazil Best Lawyers has recognized Mauro Takahashi Mori 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 Mauro Takahashi Mori is held by other lawyers.

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.

Ms. Renata Araujo has over 25 years of experience, with her career consistently focused on Labor Law. She leads the defense in labor litigation for major national and multinational companies across the energy, infrastructure, civil construction, aviation, textile, food, and paper and pulp sectors, among others. Ms. Araujo conducts strategic and preventive approaches for clients. She possesses vast expertise in monitoring corporate restructurings and judicial reorganizations, acting in the res...

Hugo Funaro is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Hugo practices law in São Paulo, Brazil Best Lawyers has recognized Hugo Funaro since 2018. 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 Hugo Funaro is held by other lawyers.

Adirson de Oliveira Beber Jr. is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Adirson practices law in Bauru, Brazil Best Lawyers has recognized Adirson de Oliveira Beber Jr. 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 Adirson de Oliveira Beber Jr. is held by other lawyers.

BRUNO LANNA PEIXOTO Partner Office: São Paulo Email: bpeixoto@araujopolicastro.com.br Dir. phone: (55) (11) 3049-5789 Areas of Practice Antitrust and Competition Education • Bachelor of Laws (LL.B.) from Universidade Federal de Minas Gerais Law School - UFMG (2001); • Master’s Degree in Economic Law from Universidade Federal de Minas Gerais - UFMG (2005); • Master of Laws (LL.M.) from the University of Chicago (2005). Research paper: “Horizontal Mergers and T...