Erick Augusto Cassiano Faria

Specialist in Tax Litigation and Advisory, Fernando Westin has a robust background in leading tax litigation teams for both domestic and multinational companies. As a partner focused of the Tax Litigation team in São Paulo, Westin excels in administrative and judicial tax disputes, due diligence processes, and participation in amnesty and installment programs. Recognized as a Highly Recommended Lawyer by ITR World Tax, Highly Recommended by Chambers Brazil, and a Highlight in Best Lawy...

BRUNO LANNA PEIXOTO Partner Office: São Paulo Email: bpeixoto@araujopolicastro.com.br Dir. phone: (55) (11) 3049-5789 Areas of Practice Antitrust and Competition Education • Bachelor of Laws (LL.B.) from Universidade Federal de Minas Gerais Law School - UFMG (2001); • Master’s Degree in Economic Law from Universidade Federal de Minas Gerais - UFMG (2005); • Master of Laws (LL.M.) from the University of Chicago (2005). Research paper: “Horizontal Mergers and T...

Thiago Ramos Barbosa is a lawyer recognized by Best Lawyers in the practice area of Labor and Employment Law. Thiago practices law in São Paulo, Brazil Best Lawyers has recognized Thiago Ramos Barbosa 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 Thiago Ramos Barbosa 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...

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...

Paulo Benedito Lazzareschi is a lawyer recognized by Best Lawyers in the practice areas of Administrative Law, Arbitration and Mediation and Litigation. Paulo Benedito practices law in São Paulo, Brazil Best Lawyers has recognized Paulo Benedito Lazzareschi since 2010. 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 Paulo Benedito Lazzareschi is held by oth...

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.

Mirella da Costa Andreola is a lawyer recognized by Best Lawyers in the practice area of Corporate and M&A Law. Mirella da Costa practices law in São Paulo, Brazil Best Lawyers has recognized Mirella da Costa Andreola since 2026. 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 Mirella da Costa Andreola is held by other lawyers.

José Mauricio Machado is a lawyer recognized by Best Lawyers in the practice area of Tax Law. José Mauricio practices law in São Paulo, Brazil Best Lawyers has recognized José Mauricio Machado 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 José Mauricio Machado is held by other lawyers.

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).