Luiz Filipe Aranha

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...

Alex Costa Pereira is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Alex Costa, who practices law in São Paulo, Brazil, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alex Costa is held by other top lawyers in the same geographic and legal practice area.

Specializing in Tax Litigation, Daniel has been handling judicial and administrative litigation in matters of federal, state and municipal taxes, including advising on cases before the Federal Supreme Court, presenting oral arguments before the Full Session of the Court, the Superior Court of Justice, and the 1st and 2nd panels of the Court. He also presents oral arguments before the Administrative Council of Tax Appeals (CARF) and before panels of the High Court of Tax Appeals. Maya conducts...

Sylvio Fernando Paes de Barros Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation and Litigation. Sylvio Fernando, 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 Sylvio Fernando is held by other top lawyers in the same geographic and legal practice area.

Fabiana Fittipaldi Morade is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Fabiana, 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 Fabiana 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...

Antonio Carlos Harada has broad experience in tax consulting, especially in tax, estate and succession planning, transnational transactions, corporate reorganizations, M&A, and corporate and social security legislation. He has extensive experience in tax and corporate structuring focused on the development of real estate transactions with shopping malls, real estate developments, real estate investment funds, “built to suit”, and securitization of receivables. He has acted in ...

Eduardo Amirabile de Melo is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Eduardo Amirabile, who practices law in São Paulo, Brazil, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eduardo Amirabile is held by other top lawyers in the same geographic and legal practice area.

Julie Bédard is a top attorney recognized by Best Lawyers in the practice area(s) of International Arbitration and Litigation. Julie, 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 Julie is held by other top lawyers in the same geographic and legal practice area.