Helena Najjar Abdo

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

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...

Carolina Duarte Martins is a corporate partner at Leite, Tosto e Barros Advogados with 31 years of national and international experience in large corporations and mid-sized law firms, , with a specialization in the Middle Market. She has honed her expertise in corporate consulting, commercial law, real estate law, civil litigation, regulatory compliance, and media and internet law. She acts with aptitude in providing strategic advice on corporate matters, ensuring optimal results for clients,...

J. Mathias von Bernuth is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Capital Markets Law, Corporate and M&A Law and Real Estate Law. J. Mathias, who practices law in São Paulo, Brazil, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which J. Mathias 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

André Serrão holds Bachelor’s (1994) and Master’s (1999) degrees in Law from the Federal University of Brasília. He is the founder partner of Serrão Advogados and has recognized expertise in energy law, specifically assisting the pivotal players of the Brazilian power sector (generation, transmission, distribution and trading companies of electric energy) in key regulatory issues and disputes. He also has a very strong practice in supporting and advisin...

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...

Arnoldo Wald Filho holds a Bachelor Degree in Law from Cândido Mendes University (1986) and a certificate in Advanced Mediation from Harvard Law School (2017). He is currently Federal Counsel of OAB São Paulo, President of the Institutional Relations Commission of OAB/SP, President of the Center for Mediation and Arbitration of the Portuguese Chamber of Commerce in Brazil and arbitrator of the Ciesp/Fiesp and FGV Chambers. Since 1986, he is Honorary Consul of Monaco in Brazil. Fo...

Juliana Galindo is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Juliana, 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 Juliana is held by other top lawyers in the same geographic and legal practice area.

Sylvio Fernando Paes de Barros Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation and Litigation. Sylvio Fernando, 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 Sylvio Fernando is held by other top lawyers in the same geographic and legal practice area.