Grenfel S. Calheiros

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...

Jorge Henrique Amaral Zaninetti is a top attorney recognized by Best Lawyers in the practice area(s) of Trade Law. Jorge Henrique, 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 Jorge Henrique is held by other top lawyers in the same geographic and legal practice area.

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...

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,...

Specialist in International Tax and Trade with articles published in Brazil and abroad, Ayres Moreira is an Alumnus of the Training Program in Policy and Trade at the Brazilian Embassy in Washington and former Professor of International Tax Law at the Pontifical Catholic University of Minas Gerais (PUC Minas) and at the Getúlio Vargas Foundation (FGV). Ayres Moreira is a frequent speaker in Seminars and Conferences in Brazil and abroad, a full member of the Tax Commission of the Brazil...

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...

Alessandra Mara Cornazzani Sales is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law. Alessandra Mara Cornazzani, 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 Alessandra Mara Cornazzani is held by other top lawyers in the same geographic and legal practice area.

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...

André Blotta Laza is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. André Blotta, who practices law in São Paulo, Brazil, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which André Blotta 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...