Eduardo Augusto de Oliveira Ramires

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...

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.

Marcelo Hilal is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Marcelo, 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 Marcelo is held by other top lawyers in the same geographic and legal practice area.

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...

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).

Senior Partner at “A. Lopes Muniz Advogados Associados in São Paulo, Brazil, since 2004, with more than 40 years of experience working as a lawyer, both in-house and as a legal consultant. Author of several articles on Life Sciences Regulatory, Business Ethics, and Intellectual Property, published in different media with copies maintained at www.marcoslevy.blogspot.com.br Director of Legal and Corporate Affairs of MSD Brazil (Merck & Co, Inc.) from 1991 to 2002, Legal Directo...

Ricardo Tosto is a partner and one of the founders of the firm. He works particularly in the areas of Credit Recovery, Banking Contracts, Bankruptcy, Judicial Reorganization, Acquisition Review, Corporate Restructuring, Administrative, Electoral, Civil and Commercial Law. Previously, Mr. Tosto worked as an advisor to the Legal and Human Resources Board of Grupo Rede and as director of the Rede Private Pension Foundation. He was president of the Judiciary Modernization Commission and the Judic...

JOSÉ THEODORO ALVES DE ARAÚJO Partner Office: São Paulo E-mail: taraujo@araujopolicastro.com.br Dir. phone: (55) (11) 3049-5705 Areas of Practice Corporate, Banking and Capital Markets, Infrastructure, Regulatory and Administrative Law. Education • Bachelor of Laws (LL.B.) from Universidade de São Paulo Law School – USP (1962); • Career improvement course on Financial System at Getulio Vargas Business School (1963); • Career improvement course ...

Carolina Duarte Martins is a corporate partner at Leite, Tosto e Barros Advogados with 31 years of national and international experience in large corporations and mid-sized law firms, , with a specialization in the Middle Market. She has honed her expertise in corporate consulting, commercial law, real estate law, civil litigation, regulatory compliance, and media and internet law. She acts with aptitude in providing strategic advice on corporate matters, ensuring optimal results for clients,...

Fernando is a junior partner at the firm. He has more than eight years of experience in Tax Consultancy and Litigation acting in the administrative and judicial levels involving the most diverse matters of Tax Law and clients. Fernando has also supported tax and legal opinions and risk assessments to national and international clients. Fernando is a rising professional, increasingly recognized by clients for the advice provided. The recent accolade he received attests to this, as he was highl...