Fernão Justen de Oliveira

Daniel Vilas Boas is a partner of Vilas Boas, Lopes e Frattari Advogados with more than 20 years of experience in Civil and Corporate Litigation. He focuses on managing special litigations, aiming to execute the best strategy with technical expertise. Currently, he has been conducting cases of great impact in Commercial Law. Vilas Boas was graduated from Universidade Federal de Minas Gerais (1998), and is a Master and Doctor of Law by Universidade Federal de Minas Gerais (2003 and 2008). Besi...

Eduardo Muniz has a well-rounded practice in tax litigation and advisory, assisting companies in direct and indirect tax controversies. He is recognized by his clients for the practical solutions he is able to provide. Eduardo Muniz is an active member of the Bar Association Tax Committee of Rio de Janeiro.He is also the national representative of the Young International IFA NETWORK in Brazil. He also holds a LLM degree in tax law at Pontifícia Universidade Católica do Rio de Ja...

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.

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.

Afonso Marcius Vaz Lobato is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Afonso Marcius, who practices law in Belém, Brazil, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Afonso Marcius is held by other top lawyers in the same geographic and legal practice area.

Eduardo Pretto Mosmann is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Eduardo, 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 Eduardo is held by other top lawyers in the same geographic and legal practice area.

Graduated from the Pontifical Catholic University of Rio de Janeiro and holds a Master’s degree (LL.M) from the University of Chicago Law School. She has over 25 years of experience in corporate law, particularly in M&A, corporate finance, financial transactions, corporate restructuring, strategic contracts, and corporate advisory

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).

Mastering in Tax Law at the Programa de Pós-Graduação of the Instituto Brasileiro de Ensino, Desenvolvimento e Pesquisa (IDP) in Brasília. Postgraduate in Tax Law from the Instituto Brasileiro de Ensino, Desenvolvimento e Pesquisa (IDP). Bachelor’s Degree in Law from Universidade do Distrito Federal (UDF). Mainly serves the Tax Litigation area before the Federal Supreme Court, Superior Court of Justice and the Federal Regionals Courts focusing on Tax Law and ...

Jorge Alex Nunes Athias is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law and Mining Law. Jorge Alex, who practices law in Belém, Brazil, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jorge Alex is held by other top lawyers in the same geographic and legal practice area.