Adriano Ryba

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...

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...

Sérgio Porto is a lawyer recognized by Best Lawyers in the practice area of Litigation. Sérgio practices law in Porto Alegre, Brazil Best Lawyers has recognized Sérgio Porto 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 Sérgio Porto is held by other lawyers.

Hugo Funaro is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Hugo practices law in São Paulo, Brazil Best Lawyers has recognized Hugo Funaro since 2018. 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 Hugo Funaro is held by other lawyers.

Partner Daniel has extensive experience in Dispute Resolution, Strategic Litigation before Superior Courts, Complex Contracts and Negotiations, Bankruptcy and Corporate Restructuring, Real Estate, Debt and Credit Restructuring, and Insurance Law . He has built a solid career in preventive and contentious corporate legal advisory , having served as General Counsel for national and multinational companies , where he coordinated projects involving corporate and tax restructurings, judicial asset...

CAMILA DA MOTTA PACHECO ALVES DE ARAÚJO Partner Office: São Paulo Email: caraujo@araujopolicastro.com.br Dir. phone: (55) (11) 3049-5745 Areas of Practice Corporate, Infrastructure, Regulatory and Administrative Law, Energy, Intellectual Property and IT and International Trade. Languages Portuguese and English. Education Bachelor of Laws (LL.B.) at Universidade de São Paulo Law School – USP (1987); Master of Comparative Jurisprudence (MCJ) from New York University S...

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...

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...

Gustavo Leonardos is a lawyer recognized by Best Lawyers in the practice area of Intellectual Property Law. Gustavo practices law in Rio de Janeiro, Brazil Best Lawyers has recognized Gustavo Leonardos 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 Gustavo Leonardos is held by other lawyers.

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...