Doris Castelo Branco

Gustavo André Muller Brigagão Practice Area Tax law with emphasis on administrative litigation and indirect taxation, dealing with matters related to industry, commerce and services sector, focused in on the oil industry, telecommunication market, e-commerce, electric energy, information technology, clothing industry, professional entities, among others. In addition, he has been deeply involved with the tax structuring of major sporting and entertainment events in Brazil (2014 W...

Igor Garbois Fernandes Ribeiro is an associate attorney at Wald, Antunes, Vita e Blattner Advogados with over 13 years of experience in litigation and insolvency. Igor is a lawyer graduated from the Universidade Cândido Mendes (Ucam), a postgraduate degree in Corporate Finance and Capital Markets from the Institute of Postgraduate Studies and Research in Administration at the Federal University of Rio de Janeiro (UFRJ), and a specialty in Judicial Administration from the School of Judic...

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.

Fabiana Fittipaldi Morade is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Fabiana, 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 Fabiana is held by other top lawyers in the same geographic and legal practice area.

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...

Christian Lopes is a partner of Vilas Boas, Lopes e Frattari Advogados with 20 years of experience in Corporate Law, Arbitration, Contract Law, Financial and Commercial Transactions. He was graduated from Universidade Federal de Minas Gerais (1998), and also is a specialist in Corporate and Economy Law by Fundação Getulio Vargas (2000), a Master of Law (LLM) by Columbia University (2002), and a Master and Doctor of Law by Universidade Federal de Minas Gerais (2003 and 2011). In ...

Hamilton Dias de Souza is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Hamilton, 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 Hamilton 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.

Claudio Chaves is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law. Claudio, 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 Claudio is held by other top lawyers in the same geographic and legal practice area.

Joyce Roysen is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Criminal Law. Joyce, who practices law in São Paulo, Brazil, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joyce is held by other top lawyers in the same geographic and legal practice area.