Paulo Mattar Filho

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...

Aluisio Berezowski is a lawyer recognized by Best Lawyers in the practice area of Litigation. Aluisio practices law in São Paulo, Brazil Best Lawyers has recognized Aluisio Berezowski 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 Aluisio Berezowski 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.

André Serrão holds Bachelor’s (1994) and Master’s (1999) degrees in Law from the Federal University of Brasília. He is the founder partner of Serrão Advogados and has recognized expertise in energy law, specifically assisting the pivotal players of the Brazilian power sector (generation, transmission, distribution and trading companies of electric energy) in key regulatory issues and disputes. He also has a very strong practice in supporting and advisin...

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.

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...

Ulisses Penachio is a lawyer recognized by Best Lawyers in the practice area of Litigation. Ulisses practices law in São Paulo, Brazil Best Lawyers has recognized Ulisses Penachio 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 Ulisses Penachio 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...

Partner Andreas has extensive experience in Labor, Employment, and Social Security Law, with a distinguished track record in strategic litigation and oral arguments before the Regional Labor Courts. He represents major investment banks and multinational corporations in the energy, metallurgy, telecommunications, construction, logistics, and outsourcing sectors in highly complex and institutionally significant disputes. He also represents Leite, Tosto e Barros and its clients before the Superi...

Antonio Carlos de Oliveira Freitas is a top attorney recognized by Best Lawyers in the practice area(s) of Agriculture & Rural Affairs. Antonio Carlos, who practices law in São Paulo, Brazil, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Antonio Carlos is held by other top lawyers in the same geographic and legal practice area. He is Master's degree in Business Law from Fundação Get&u...