Roberto Aguirre Rossetti

Ms. Renata Araujo has over 25 years of experience, with her career consistently focused on Labor Law. She leads the defense in labor litigation for major national and multinational companies across the energy, infrastructure, civil construction, aviation, textile, food, and paper and pulp sectors, among others. Ms. Araujo conducts strategic and preventive approaches for clients. She possesses vast expertise in monitoring corporate restructurings and judicial reorganizations, acting in the res...

Alex Costa Pereira is a lawyer recognized by Best Lawyers in the practice area of Litigation. Alex Costa practices law in São Paulo, Brazil Best Lawyers has recognized Alex Costa Pereira 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 Alex Costa Pereira is held by other lawyers.

Odel Antun is a lawyer recognized by Best Lawyers in the practice area of Corporate Criminal Law. Odel practices law in São Paulo, Brazil Best Lawyers has recognized Odel Antun 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 Odel Antun is held by other lawyers.

Priscila Peresi brings over 28 years of distinguished experience in Labor and Employment Law, with a robust track record in both litigation and advisory services. She has represented major corporations in complex labor disputes, led collective bargaining negotiations, and developed strategic frameworks for litigation risk mitigation. Her practice also encompasses the management of administrative proceedings, legal support for human resources operations, and compliance-oriented guidance. Prisc...

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...

Júlio de Oliveira has acted in many significant tax proceedings relating to direct and indirect taxes as well as taxes levied on the payroll, in addition to rendering consulting services to large domestic and international companies. He is part of several committees and associations made up of companies that seek to improve the Brazilian tax system. He holds a Master of Laws and a PhD in tax law from Pontifícia Universidade Católica de São Paulo (PUC/SP). He is a p...

Arnoldo Wald Filho holds a Bachelor Degree in Law from Cândido Mendes University (1986) and a certificate in Advanced Mediation from Harvard Law School (2017). He is currently Federal Counsel of OAB São Paulo, President of the Institutional Relations Commission of OAB/SP, President of the Center for Mediation and Arbitration of the Portuguese Chamber of Commerce in Brazil and arbitrator of the Ciesp/Fiesp and FGV Chambers. Since 1986, he is Honorary Consul of Monaco in Brazil. Fo...

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...

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

Alessandra Mara Cornazzani Sales is a lawyer recognized by Best Lawyers in the practice area of Administrative Law. Alessandra Mara Cornazzani practices law in São Paulo, Brazil Best Lawyers has recognized Alessandra Mara Cornazzani Sales 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 Alessandra Mara Cornazzani Sales is held by other lawyers.