Daniela Chaddad

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...

Mariana Negri Logiodice holds a bachelor’s degree from the Mackenzie Presbyterian University and a graduate degree in Civil Procedural Law from the Pontifical Catholic University of São Paulo (PUC-SP), with additional training in financial accounting from the Getúlio Vargas Foundation (FGV). Mariana is an associate attorney at Wald, Antunes, Vita e Blattner Advogados with over 15 years of experience in restructuring, insolvency and civil litigation. She worked in several s...

Fernando Novis is a top attorney recognized by Best Lawyers in the practice areas of Arbitration and Litigation. Fernando, who practices law in Brazil, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Fernando is held by other top lawyers in the same geographic and legal practice areas. Fernando has over 16 years' experience of representing Brazilian and foreign clients in Civil, Corporate, Commercial, Regulator...

Luiz Antonio Varela Donelli is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Reorganization Law. Luiz Antonio Varela, 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 Luiz Antonio Varela is held by other top lawyers in the same geographic and legal practice area.

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.

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

Mariana Tavares Antunes holds a bachelor’s degree in law from the Pontifical Catholic University of São Paulo (PUC-SP) and is a member of the São Paulo Lawyers Institute (IASP). She attended the Advanced Mediation Workshop: Mediating Complex Disputes, of the Harvard Negotiation Institute (HNI), in 2017.

Master and PhD in Criminal Procedure Law at Faculdade de Direito da Universidade de São Paulo (USP); Bachelor in Laws at Faculdade de Direito da Pontifícia Universidade Católica de São Paulo (PUCS-P); Professor for IBMEC Graduation Course; Member of CEAPRO – Centro de Estudos Avançados de Processo; Former President, Treasure Director and Secretary-General of the Brazilian Bar Association – Sub-section of Pinheiros in São Paulo/SP; Coordina...

Regina C. Baraldi Bisson is a top attorney recognized by Best Lawyers in the practice area(s) of Civil Rights Law, Labor and Employment Law and Real Estate Law. Regina C., 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 Regina C. is held by other top lawyers in the same geographic and legal practice area.

Hamilton Dias de Souza is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Hamilton, who practices law in São Paulo, Brazil, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hamilton is held by other top lawyers in the same geographic and legal practice area.