Newton Marzagão

Sylvio Fernando Paes de Barros Jr. is a lawyer recognized by Best Lawyers in the practice areas of Arbitration and Mediation and Litigation. Sylvio Fernando practices law in São Paulo, Brazil Best Lawyers has recognized Sylvio Fernando Paes de Barros Jr. 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 Sylvio Fernando Paes de Barros Jr. is held b...

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...

Clarissa Marcondes Macéa is a partner at Wald, Antunes, Vita e Blattner Advogados, holds a bachelor’s degree from the University of São Paulo (USP), a Master of Laws (LL.M.) from Harvard University, and attended the École Nationale d’Administration – ENA (CISAP). She has worked as a Law Clerk at the Brazilian Supreme Court (2017-2020), was the Legal Head for the Assistance and Social Development Secretariat of the City of São Paulo (2015-2017), an...

Partner at Wald, Antunes, Vita e Blattner Advogados (São Paulo, Brazil); LLB, Master in Laws and PhD at University of São Paulo Law School; LL.M. in International Business Regulation, Litigation and Arbitration at NYU School of Law (Arthur T. Vanderbilt Scholar); Vice-President of the Brazilian Bar’s Special Arbitration Commission; Director at the Mediation and Arbitration Center at the Brazil-Portugal Chamber of Commerce; CIArb Fellow; Author of several articles on arbitr...

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.

Mr. Areno has worked on more than 40 offerings, including of Banco BTG Pactual, Azul, Ultrapar, Cosan, Tarpon, BR Malls, Iguatemi, MetLife and Banco do Brasil. In addition, he has been involved in several mergers and acquisitions, including representing Deutsche Bank AG as financial advisor to Enersis Américas S.A. (Chile) in the US$22 billion restructuring of certain companies controlled by Enel (recognized as a 2017 Global Finance Deal of the Year (Insolvency and Restructuring) by Th...

André Blotta Laza is a lawyer recognized by Best Lawyers in the practice area of Labor and Employment Law. André Blotta practices law in São Paulo, Brazil Best Lawyers has recognized André Blotta Laza 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 André Blotta Laza is held by other lawyers.

Marina Gaensly Blattner holds a graduate and master’s degree in public law from the Universidade do Estado do Rio de Janeiro (UERJ) and a LL.M from the London School of Economics and Political Sciences (LSE). She was a consultant member of the National Commission for Constitutional Studies of the Federal Council of the OAB. She is also a member of the São Paulo Lawyers Institute (IASP).

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.

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