Massami Uyeda, Jr.

Leticia Barbosa e Silva Abdalla is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation. Leticia, 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 Leticia is held by other top lawyers in the same geographic and legal practice area.

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

Tania Mara Ferreira is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law. Tania Mara, who practices law in São Paulo, Brazil, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tania Mara is held by other top lawyers in the same geographic and legal practice area.

Graduated from the Pontifical Catholic University of Rio de Janeiro and holds a Master’s degree (LL.M) from the University of Chicago Law School. She has over 25 years of experience in corporate law, particularly in M&A, corporate finance, financial transactions, corporate restructuring, strategic contracts, and corporate advisory

Zilma Aparecida S. Ribeiro, is responsible for the labour department of the firm, both in the litigation and in the advisory areas. She graduated in law from the Law School of the University of São Paulo from which she holds a Masters Degree. Ms. Ribeiro has over 30 years of experience working as a lawyer, both in-house and as a legal consultant. Ms. Ribeiro also completed a Specialization Course in Civil Procedure at the Law School of the University of São Paulo. She has been r...

Luiz Antonio Varela Donelli is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Reorganization Law. Luiz Antonio Varela, 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 Luiz Antonio Varela is held by other top lawyers in the same geographic and legal practice area.

Fernando is a junior partner at the firm. He has more than eight years of experience in Tax Consultancy and Litigation acting in the administrative and judicial levels involving the most diverse matters of Tax Law and clients. Fernando has also supported tax and legal opinions and risk assessments to national and international clients. Fernando is a rising professional, increasingly recognized by clients for the advice provided. The recent accolade he received attests to this, as he was highl...

Ulisses Penachio is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Ulisses, 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 Ulisses 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...

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.