Peter Eduardo Siemsen

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

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.

Raul Murad Ribeiro de Castro is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Raul, 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 Raul 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 in International Tax Law from the Brazilian Institute of Tax Law (IBDT) in São Paulo. He has extensive experience in tax legal advisory, with a focus on cross-border transactions, corporate restructuring, financial markets, and capital markets, in addition to significant experience in tax litigation, both administrative and judicial. Over his career, he has taught at Fundaç&atil...

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...

Creuza de Abreu Vieira Coelho is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation and Tax Law. Creuza de Abreu, 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 Creuza de Abreu is held by other top lawyers in the same geographic and legal practice area.

Mariana is a foundation partner at Zonenschein Advocacia. Before founding her own firm in 2024, Mariana Zonenschein was a partner for more then 10 years in another prominent litigation firm and built a solid career working in the area of strategic litigation, in processes of relevance in relation to matters and values involved. Among the customers it represents are medium and large sized companies operating in various sectors of the economy, such as steel, entertainment, sports, services and ...

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...

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.

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.