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Ariel Barazzetti Weber

Founding partner. Bar admissions: OAB/SP, DF, and RS. Master of Laws in Public Law (UNISINOS) and Tax (UFRGS). Strategic multi-front practice.

Ariel Barazzetti Weber
OAB/SP 459.330 · OAB/DF 57.207 · OAB/RS 88.859weber@weberadvogados.comLinkedIn ↗

Master of Laws in Public Law from Universidade do Vale do Rio dos Sinos (UNISINOS), with postgraduate specialization in Tax Law at Universidade Federal do Rio Grande do Sul (UFRGS) and executive training in Corporate Governance and Compliance at INSPER. Member of the São Paulo Bar Institute (IASP). Practice centered on white-collar criminal defense, corporate criminal compliance and remediation, and the interface between arbitration, sector-specific regulation, and criminal law. Together with the other partners, leads multi-front strategic matters, particularly those combining financial, regulatory, and reputational exposure.

Highlights

  • Co-author of Lavagem de Dinheiro — 1st (Atlas, 2014) and 2nd (Gen|Atlas, 2017) editions
  • Member of the São Paulo Bar Institute (IASP)
  • Contributor to Consultor Jurídico, Poder360, and Migalhas
  • Admitted in three sections of the Brazilian Bar (OAB) — São Paulo, Distrito Federal, and Rio Grande do Sul

Education

  • Master's in Public Law — UNISINOS
  • Specialization in Tax Law — UFRGS
  • Corporate Governance and Compliance — INSPER
  • Bachelor of Laws — UNISINOS (with distinction)

Publications

Recognitions

  • Análise Advocacia · Mais Admirados Especialidade Concorrencial · 2025
  • Análise Advocacia Regional Categoria Abrangente, Grande São Paulo · 2025
Recent work

By Ariel Barazzetti Weber.

In São Paulo. Active nationwide.