Guilherme Athayde Porto

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.

Gustavo Moura Azevedo Nunes is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Gustavo, 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 Gustavo is held by other top lawyers in the same geographic and legal practice area.

BRUNO LANNA PEIXOTO Partner Office: São Paulo Email: bpeixoto@araujopolicastro.com.br Dir. phone: (55) (11) 3049-5789 Areas of Practice Antitrust and Competition Education • Bachelor of Laws (LL.B.) from Universidade Federal de Minas Gerais Law School - UFMG (2001); • Master’s Degree in Economic Law from Universidade Federal de Minas Gerais - UFMG (2005); • Master of Laws (LL.M.) from the University of Chicago (2005). Research paper: “Horizontal Mergers and T...

Paulo Benedito Lazzareschi is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law, Arbitration and Mediation and Litigation. Paulo Benedito, who practices law in São Paulo, Brazil, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Paulo Benedito 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.

Specialist in Tax Litigation and Advisory, Fernando Westin has a robust background in leading tax litigation teams for both domestic and multinational companies. As a partner focused of the Tax Litigation team in São Paulo, Westin excels in administrative and judicial tax disputes, due diligence processes, and participation in amnesty and installment programs. Recognized as a Highly Recommended Lawyer by ITR World Tax, Highly Recommended by Chambers Brazil, and a Highlight in Best Lawy...

Gilvandro Araújo Vasconcelos is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law. Gilvandro, 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 Gilvandro is held by other top lawyers in the same geographic and legal practice area.

Décio Policastro is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Civil Rights Law and Litigation. Décio, who practices law in São Paulo, Brazil, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Décio is held by other top lawyers in the same geographic and legal practice area.

Sylvio Fernando Paes de Barros Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation and Litigation. Sylvio Fernando, 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 Sylvio Fernando 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).