Luiz Roberto Leven Siano

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 ...

José Gustavo Braga is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. José Gustavo, who practices law in Rio de Janeiro, Brazil, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which José Gustavo is held by other top lawyers in the same geographic and legal practice area.

Joanna Bastos is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Joanna, who practices law in Rio de Janeiro, Brazil, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joanna is held by other top lawyers in the same geographic and legal practice area.

Pedro DeRegina is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Pedro, who practices law in Rio de Janeiro, Brazil, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Pedro is held by other top lawyers in the same geographic and legal practice area.

Rodrigo Caserta Practice Area Tax law, specializing in litigation and consultancy related to indirect taxation. Professional Affiliations Brazilian Bar Association, Rio de Janeiro and São Paulo state sections and the Brazilian Fiscal Law Association – ABDF. Languages Portuguese and English.

Jose Roberto Sampaio is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Jose Roberto, who practices law in Rio de Janeiro, Brazil, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jose Roberto is held by other top lawyers in the same geographic and legal practice area.

Adriana Campos Conrado Zamponi is a partner at Wald, Antunes, Vita e Blattner Advogados, has an LLM in Business Law from Ibmec and has completed mediation courses offered by the France-Brazil Chamber of Commerce (CCFB) in cooperation with the Centre de Médiation et d’Arbitrage Paris (CMAP) and the Brazilian Center for Mediation and Arbitration (CBMA). She is also a member of the Brazilian Arbitration Commission (CBAR).

Rafael Fiuza Casses is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation and Tax Law. Rafael Fiuza, 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 Rafael Fiuza is held by other top lawyers in the same geographic and legal practice area.

Luiz Leonardos is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Luiz, who practices law in Rio de Janeiro, Brazil, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Luiz is held by other top lawyers in the same geographic and legal practice area.

Roberto Duque Estrada Practice Area Tax law with emphasis on tax litigation, income tax (corporate and individual) and international taxation, dealing with matters related to corporate restructuring, domestic and international tax planning and with high net worth individuals. Career Roberto Duque Estrada is a founding partner at Brigagão, Duque Estrada – Advogados. He started his carrer as an associate lawyer, working with Professor Alberto Xavier, first at Castro Barros Sobral &...