Mauro Bardawil Penteado

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...

Alessandra Mara Cornazzani Sales is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative Law. Alessandra Mara Cornazzani, 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 Alessandra Mara Cornazzani is held by other top lawyers in the same geographic and legal practice area.

Tania Mara Ferreira is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law. Tania Mara, who practices law in São Paulo, Brazil, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tania Mara is held by other top lawyers in the same geographic and legal practice area.

Alexandre de Mendonça Wald holds a Bachelor Degree in Law from Cândido Mendes University (1984) and a Master of Law from University of Pennsylvania Law School (1986). Throughout his career, he has served as president of the UPenn Alumni Club in Brazil and is recognized among the most admired lawyers in various professional rankings, such as Latin Lawyer250, Chambers and Partners, Analysis Advocacy and The Legal 500.

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...

Aluisio Berezowski is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Aluisio, who practices law in São Paulo, Brazil, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Aluisio is held by other top lawyers in the same geographic and legal practice area.

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...

Mr. Areno has worked on more than 40 offerings, including of Banco BTG Pactual, Azul, Ultrapar, Cosan, Tarpon, BR Malls, Iguatemi, MetLife and Banco do Brasil. In addition, he has been involved in several mergers and acquisitions, including representing Deutsche Bank AG as financial advisor to Enersis Américas S.A. (Chile) in the US$22 billion restructuring of certain companies controlled by Enel (recognized as a 2017 Global Finance Deal of the Year (Insolvency and Restructuring) by Th...

Prof. Dr. Marcelo von Adamek is the founding partner of Advocacia von Adamek, bringing to his firm more than 25 years of legal expertise across a diverse range of practice areas, including Corporate Law & Capital Markets, Business Contracts, Private Insurance, Mergers & Acquisitions, Restructuring & Bankruptcy, and Civil & Business Litigation. His comprehensive services include strategic consulting, litigation, and delivering legal opinions. Prof. Dr. von Adamek’s distin...

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...