Carlos Eduardo Marino Orsolon

Priscila Regina is a junior partner at the firm. She specialises in tax litigation and consultation, working closely with Fernando Loeser. Priscila has experience handling direct and indirect taxation matters in all court levels, including administrative and judicial cases. Some of the sectors her clientele comes from are the cosmetics, food and beverage and heavy industry. Priscila has been recognized since 2020 by Best Lawyers Brazil as a benchmark in the field of tax professionals. In addi...

Fernando Novis is a top attorney recognized by Best Lawyers in the practice areas of Arbitration and Litigation. Fernando, who practices law in Brazil, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Fernando is held by other top lawyers in the same geographic and legal practice areas. Fernando has over 16 years' experience of representing Brazilian and foreign clients in Civil, Corporate, Commercial, Regulator...

Eduardo Correa da Silva is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Eduardo practices law in São Paulo, Brazil Best Lawyers has recognized Eduardo Correa da Silva since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Eduardo Correa da Silva is held by other lawyers.

Zilma Aparecida S. Ribeiro, is responsible for the labour department of the firm, both in the litigation and in the advisory areas. She graduated in law from the Law School of the University of São Paulo from which she holds a Masters Degree. Ms. Ribeiro has over 30 years of experience working as a lawyer, both in-house and as a legal consultant. Ms. Ribeiro also completed a Specialization Course in Civil Procedure at the Law School of the University of São Paulo. She has been r...

Joyce Roysen is a lawyer recognized by Best Lawyers in the practice area of Corporate Criminal Law. Joyce practices law in São Paulo, Brazil Best Lawyers has recognized Joyce Roysen since 2019. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Joyce Roysen is held by other lawyers.

Mauro Takahashi Mori is a lawyer recognized by Best Lawyers in the practice area of Corporate and M&A Law. Mauro Takahashi practices law in São Paulo, Brazil Best Lawyers has recognized Mauro Takahashi Mori since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Mauro Takahashi Mori is held by other lawyers.

Antônio Lopes Muniz is a lawyer recognized by Best Lawyers in the practice areas of Corporate and M&A Law and Labor and Employment Law. Antônio practices law in São Paulo, Brazil Best Lawyers has recognized Antônio Lopes Muniz since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Antônio Lopes Muniz is held by other lawyers.

Hugo Funaro is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Hugo practices law in São Paulo, Brazil Best Lawyers has recognized Hugo Funaro since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Hugo Funaro is held by other lawyers.

Mariana is the Managing Partner and Head of Corporate and M&A at Leite, Tosto e Barros Advogados, bringing over two decades of experience in Corporate Law, Mergers & Acquisitions, Governance, Compliance, and Data Protection. As Managing Partner, she leads the firm’s strategic direction and ensures operational excellence across finance, IT, marketing, and administration—combining leadership vision with technical and business precision. As Head of Corporate and M&A, Mari...

With a highly specialized profile, in the indirect taxes area, Mauri serves domestic and multinational companies, taking part in several tax and corporate restructuring transactions and following up on new structures.