LAWYER PROFILE
Thiago Sombra

Thiago Sombra

Brazil 2026

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Chambers ranking badge

Ranked in 4 practice areas

Contributions and articles

1 Global Practice Guides

About

Provided by Mattos Filho

Brazil: Industries & Sectors

Practice Areas

Administrative Law; Compliance & Corporate Ethics; Corporate Investigations; Cryptoassets; Data Protection & Cybersecurity; Election Laws for Companies; Infrastructure & Energy; Litigation & Arbitration; Technology; Digital Infrastructure.

Career

Thiago Luís Sombra works at the intersection of law, technology, and regulation, with notable experience in anti-corruption, investigations, and data protection. His experience includes investigations conducted by national and foreign authorities, complex cases, and strategic matters also involving infrastructure, public procurement, concessions, and administrative contracts. Directories such as Legal 500 and Chambers describe him as a strategy-focused lawyer, present in major international cases, particularly with Asian and European clients.

Holding a PhD in Law, Technology, and Regulation from the University of Brasília and the London School of Economics, Thiago completed post-doctoral studies in Anti-Corruption at the University of São Paulo and holds a master’s degree from PUC-SP and Università di Camerino. He passed the public examination for Professor at the University of Brasília and serves on the editorial boards of institutions such as FGV, STF, and USP. He is the author of three books and numerous articles published in Brazil and abroad.

In the public sector, he served as State Attorney of São Paulo for over ten years and as clerk at the Superior Court of Justice (STJ), working on significant cases before the Supreme Court (STF) and the STJ. He received the “Estado em Juízo” award for his work before the STF, which generated billions in savings for public coffers. He contributed to the drafting of Brazil’s General Data Protection Law (LGPD) and was a member of the Congressional Commission of Jurists responsible for Brazil’s AI legislation bill.

Education

Centro Universitário de Brasília

Bachelor of Laws

Pontifical Catholic University (PUC-SP) and Università degli Studi di Camerino (Italy);

Master’s in Private Law

University of Brasília (UnB) and London School of Economics (LSE);

PhD in Law, Technology, and Regulation

University of São Paulo (USP);

Post-Doctorate in Anti-Corruption

Singularity University

Leadership Executive Program

Languages Spoken

Portuguese;

English;

Italian.

Brazil: Contentious

Practice Areas

Administrative Law; Compliance & Corporate Ethics; Corporate Investigations; Cryptoassets; Data Protection & Cybersecurity; Election Laws for Companies; Infrastructure & Energy

Litigation & Arbitration; Technology; Digital Infrastructure

Career

Thiago Luís Sombra works at the intersection of law, technology, and regulation, with notable experience in anti-corruption, investigations, and data protection. His experience includes investigations conducted by national and foreign authorities, complex cases, and strategic matters also involving infrastructure, public procurement, concessions, and administrative contracts. Directories such as Legal 500 and Chambers describe him as a strategy-focused lawyer, present in major international cases, particularly with Asian and European clients.

Holding a PhD in Law, Technology, and Regulation from the University of Brasília and the London School of Economics, Thiago completed post-doctoral studies in Anti-Corruption at the University of São Paulo and holds a master’s degree from PUC-SP and Università di Camerino. He passed the public examination for Professor at the University of Brasília and serves on the editorial boards of institutions such as FGV, STF, and USP. He is the author of three books and numerous articles published in Brazil and abroad.

In the public sector, he served as State Attorney of São Paulo for over ten years and as clerk at the Superior Court of Justice (STJ), working on significant cases before the Supreme Court (STF) and the STJ. He received the “Estado em Juízo” award for his work before the STF, which generated billions in savings for public coffers. He contributed to the drafting of Brazil’s General Data Protection Law (LGPD) and was a member of the Congressional Commission of Jurists responsible for Brazil’s AI legislation bill.

Education

Centro Universitário de Brasília

Bachelor of Laws

Università degli Studi di Camerino (Italy)

Master’s in Private Law

Pontifical Catholic University (PUC-SP

Master’s in Private Law

Master’s in Private Law

PhD in Law, Technology, and Regulation

University of Brasília (UnB)

PhD in Law, Technology, and Regulation

University of São Paulo (USP);

Post-Doctorate in Anti-Corruption

Singularity University.

Leadership Executive Program

Languages Spoken

Portuguese;

English;

Italian;

Chambers Review

Provided by Chambers

Chambers Brazil: Contentious

Compliance - Brazil

Band 5
Band 5

Individual Editorial

Thiago Sombra is an active practitioner, frequently sought out by high end clients from digital and tech industries. Thiago enjoys recognition from clients and peers for his compliance practice on both litigation and investigation matters.

Chambers Brazil: Industries & Sectors

Data Protection - Brazil

Band 1
Band 1

Individual Editorial

Thiago Luís Sombra is a practitioner who offers experience in technology and data protection matters related to regulatory issues, as well as consumer law mandates.

Technology - Brazil

Band 2
Band 2

Individual Editorial

Thiago Luís Sombra is a practitioner who displays expertise in technology matters related to regulatory issues, including AI as well as consumer law mandates.

Public Law: The Elite - Brazil

Band 4
Band 4

Individual Editorial

Thiago Sombra frequently advises clients on public law cases regarding public procurements, implementation of industrial plants and private railways.

Strengths

Provided by Chambers

  • Thiago Sombra is a wise counselor and brilliant strategist.

    ComplianceChambers Brazil: Contentious
  • Thiago Sombra is an excellent professional, and very pleasant to work with. Every meeting is a new learning experience.

    ComplianceChambers Brazil: Contentious
  • Thiago Sombra has excellent technical knowledge and is highly assertive in their contributions.

    ComplianceChambers Brazil: Contentious
  • Thiago handles a wide range of strategic matters.

    Data ProtectionChambers Brazil: Industries & Sectors
  • Thiago Sombra is my go-to lawyer.

    Data ProtectionChambers Brazil: Industries & Sectors
  • Thiago is a technically strong professional and widely recognised as a benchmark lawyer. Whenever a qualified external opinion is required, he is naturally one of the first names that comes to mind.

    Data ProtectionChambers Brazil: Industries & Sectors

Ranked Individuals at Mattos Filho (137)

Brazil

All Contributions (1)

Provided by Mattos Filho

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