Fernando Villela de Andrade Vianna

Mirella da Costa Andreola is a lawyer recognized by Best Lawyers in the practice area of Corporate and M&A Law. Mirella da Costa practices law in São Paulo, Brazil Best Lawyers has recognized Mirella da Costa Andreola since 2026. 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 Mirella da Costa Andreola is held by other lawyers.

Mariana Negri Logiodice holds a bachelor’s degree from the Mackenzie Presbyterian University and a graduate degree in Civil Procedural Law from the Pontifical Catholic University of São Paulo (PUC-SP), with additional training in financial accounting from the Getúlio Vargas Foundation (FGV). Mariana is an associate attorney at Wald, Antunes, Vita e Blattner Advogados with over 15 years of experience in restructuring, insolvency and civil litigation. She worked in several s...

Antônio Lopes Muniz is a lawyer recognized by Best Lawyers in the practice areas of Corporate and M&A Law and Labor and Employment Law. Antônio practices law in São Paulo, Brazil Best Lawyers has recognized Antônio Lopes Muniz 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 Antônio Lopes Muniz is held by other lawyers.

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...

Head of the M&A, Banking and Services and Financial Transactions. Marcela graduated originally in Law in Public Business. 29 years of experience inclusive at golden circle law firms (both Brazilian and international), investment banks (in the front office, law department and as Compliance Officer ) and as head of the Law Department of one of the most efficent sustainable energy and alchool companies, with more than R$22 billion in debt transactions (debentures, LCIs, CRIs, notes, private ...

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...

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...

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

Eduardo Amirabile de Melo is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Eduardo Amirabile practices law in São Paulo, Brazil Best Lawyers has recognized Eduardo Amirabile de Melo 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 Eduardo Amirabile de Melo is held by other lawyers.

Júlio de Oliveira has acted in many significant tax proceedings relating to direct and indirect taxes as well as taxes levied on the payroll, in addition to rendering consulting services to large domestic and international companies. He is part of several committees and associations made up of companies that seek to improve the Brazilian tax system. He holds a Master of Laws and a PhD in tax law from Pontifícia Universidade Católica de São Paulo (PUC/SP). He is a p...