Luciana Kishino de Souza

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).

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...

Juliana Villas Boas is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Juliana Villas, who practices law in Brasília, Brazil, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Juliana Villas is held by other top lawyers in the same geographic and legal practice area.

Partner at Sergio Bermudes Advogados. Arbitration Practitioner and Civil Litigator specializing in national and cross-border Corporate, Commercial and Insolvency/Reorganization issues. Graduate in Law from the Pontifícia Universidade Católica of Rio de Janeiro (PUC-RIO) and holder of a Master’s Degree (LL.M) from the Université Paris 1 - Panthéon-Sorbonne. Completed professional training in Negotiation at Harvard Law School in 2009. Current Vice-President of ...

Lis Aguileira is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Lis, who practices law in Rio de Janeiro, Brazil, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lis is held by other top lawyers in the same geographic and legal practice area.

Luís Carlos Ferreira dos Santos Junior is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Luís Carlos, who practices law in Rio de Janeiro, Brazil, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Luís Carlos is held by other top lawyers in the same geographic and legal practice area.

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...

Specializing in Tax Litigation, Daniel has been handling judicial and administrative litigation in matters of federal, state and municipal taxes, including advising on cases before the Federal Supreme Court, presenting oral arguments before the Full Session of the Court, the Superior Court of Justice, and the 1st and 2nd panels of the Court. He also presents oral arguments before the Administrative Council of Tax Appeals (CARF) and before panels of the High Court of Tax Appeals. Maya conducts...

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...

Gustavo Leonardos is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Gustavo, who practices law in Rio de Janeiro, Brazil, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gustavo is held by other top lawyers in the same geographic and legal practice area.