Martha Macedo Sittoni

Aluisio Berezowski is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Aluisio, who practices law in São Paulo, Brazil, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Aluisio is held by other top lawyers in the same geographic and legal practice area.

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...

Pedro DeRegina is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Pedro, who practices law in Rio de Janeiro, Brazil, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Pedro is held by other top lawyers in the same geographic and legal practice area.

Décio Policastro is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Civil Rights Law and Litigation. Décio, who practices law in São Paulo, Brazil, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Décio is held by other top lawyers in the same geographic and legal practice area.

Rafhael Frattari is a partner of Vilas Boas, Lopes e Frattari Advogados with more than 20 years of experience in Tax Law. He has acted in the litigation of several companies, especially in the steel, mining, and energy sectors. He currently is ahead of VLF’s tax teams in all operations, including Business Restructuring and M&A operations. Frattari was graduated from Universidade Federal de Minas Gerais (1998) and holds a master’s degree (2003) and a Doctorate (2008) from the s...

Jose Roberto Sampaio is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Jose Roberto, who practices law in Rio de Janeiro, Brazil, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jose Roberto is held by other top lawyers in the same geographic and legal practice area.

Rafael De Alencar Araripe Carneiro is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law and Litigation. Rafael, who practices law in Brasília, Brazil, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rafael is held by other top lawyers in the same geographic and legal practice area.

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...

Juliana Villas Boas is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Juliana Villas, who practices law in Brasília, Brazil, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Juliana Villas is held by other top lawyers in the same geographic and legal practice area.

Mário Luiz Oliveira da Costa is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Mário Luiz, who practices law in São Paulo, Brazil, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mário Luiz is held by other top lawyers in the same geographic and legal practice area.