Guilherme Rizzo Amaral

Deise Galvan Boessio is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Deise, who practices law in Porto Alegre, Brazil, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Deise 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).

Pedro Grillo is a top attorney recognized by Best Lawyers in the practice area(s) of Tax 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.

Pedro de Moura A. de Oliveira is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation. Pedro de Moura A., who practices law in São Paulo, Brazil, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Pedro de Moura A. is held by other top lawyers in the same geographic and legal practice area.

Marcus Vinicius Vita Ferreira holds a post-graduate degree in Consumer Law from the Pontifical Catholic University of São Paulo (PUC-SP) and is currently pursuing a master’s degree in Constitutional Law at the Public Law Institute (IDP). He was a guest consultant to the Constitutional Affairs Committee and the Mediation and Arbitration Committee of the Federal Council of the Brazilian Bar Association.

Bachelor degree in law at University UniCEUB, Brasília, 2019. Lato Sensu Post Graduated in “Law - Procedural Practice in Courts”, at University UniCEUB, Brasília, 2020-2021. Mastering in 'Constitutuional Law' at the Instituto Brasiliense de Direito Público – IDP, Brasília, since 2023. Member of the Tax Study, Research and Analysis Group at the Centro Universitário de Brasília – UniCEUB. Member of the Commission of the OAB/DF. M...

Prof. Dr. Marcelo von Adamek is the founding partner of Advocacia von Adamek, bringing to his firm more than 25 years of legal expertise across a diverse range of practice areas, including Corporate Law & Capital Markets, Business Contracts, Private Insurance, Mergers & Acquisitions, Restructuring & Bankruptcy, and Civil & Business Litigation. His comprehensive services include strategic consulting, litigation, and delivering legal opinions. Prof. Dr. von Adamek’s distin...

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.

Mário Luiz Oliveira da Costa is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Mário Luiz, who practices law in São Paulo, Brazil, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mário Luiz is held by other top lawyers in the same geographic and legal practice area.

Arnoldo Wald Filho holds a Bachelor Degree in Law from Cândido Mendes University (1986) and a certificate in Advanced Mediation from Harvard Law School (2017). He is currently Federal Counsel of OAB São Paulo, President of the Institutional Relations Commission of OAB/SP, President of the Center for Mediation and Arbitration of the Portuguese Chamber of Commerce in Brazil and arbitrator of the Ciesp/Fiesp and FGV Chambers. Since 1986, he is Honorary Consul of Monaco in Brazil. Fo...