Marta Cuellar

Raphael Valentim is a partner with extensive expertise in Corporate, Corporate Governance and Compliance. He has more than fifteen years of experience participating in or leading business structuring projects involving foreign companies, corporate restructuring, shareholder agreements, corporate investigations, implementation of compliance programs and advisory services legal in business areas. He is a highly qualified and experienced professional with a successful track record in efficiently...

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.

Ana Lúcia Pinke Ribeiro de Paiva is a lawyer recognized by Best Lawyers in the practice areas of Employee Benefits Law and Litigation. Ana Lúcia practices law in São Paulo, Brazil Best Lawyers has recognized Ana Lúcia Pinke Ribeiro de Paiva since 2022. 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 Ana Lúcia Pinke Ribeiro de Paiva is held by other lawyers.

Luis Antonio da Gama e Silva Neto is a lawyer recognized by Best Lawyers in the practice area of Litigation. Luis Antonio practices law in São Paulo, Brazil Best Lawyers has recognized Luis Antonio da Gama e Silva Neto 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 Luis Antonio da Gama e Silva Neto is held by other lawyers.

Adirson de Oliveira Beber Jr. is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Adirson practices law in Bauru, Brazil Best Lawyers has recognized Adirson de Oliveira Beber Jr. since 2022. 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 Adirson de Oliveira Beber Jr. is held by other lawyers.

Founding partner, Fernando Loeser is a tax specialist. He has a particular interest in litigation and acts on consultation matters. He covers the full spectrum of tax issues direct and indirect taxation and is frequently seen acting before the Superior Courts of Brazil. Fernando is well qualified to tackle complex litigation at judicial and administrative levels. He covers the full spectrum of tax issues, direct and indirect taxation and is frequently seen acting before the Superior Courts of...

Luiz Antonio Varela Donelli is a lawyer recognized by Best Lawyers in the practice area of Insolvency and Reorganization Law. Luiz Antonio Varela practices law in São Paulo, Brazil Best Lawyers has recognized Luiz Antonio Varela Donelli 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 Luiz Antonio Varela Donelli 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...

Luciana Arduin has over 20 years of experience, with a professional practice focused on labour and employment law. She is highly specialised in defending clients from the banking, civil construction, and telecommunications sectors in complex labour lawsuits, particularly those involving high-level executives. She holds an undergraduate degree in Law from Mackenzie Presbyterian University and a postgraduate degree from the Pontifical Catholic University of São Paulo (PUC-SP). Early in h...