LAWYER PROFILE

Roberto Quiroga Mosquera

Global 2026

Mattos Filho

Ranked in 1 practice area

Tax: Litigation

Brazil

13 years ranked

About

Provided by Mattos Filho

Global

Practice Areas

Banking & Financial Services; Tax; Private: Mattos Filho 100% Pro bono.

Career

One of the firm's founding partners, Roberto Quiroga held the position of managing partner for two terms between 2009-2015 and from 2020 until March 2024. As a lawyer, his career has focused on tax law, acquisitions, corporate reorganizations, and financial and capital markets, assisting clients both in Brazil and abroad.

Quiroga has played a leading role in pioneering Mattos Filho's pro bono work in Brazil for over 20 years, helping to build upon our firm's cultural values and enabling us to make a positive impact on society. He was also fundamental in establishing our innovative governance model (which eventually became a case study at Harvard University), assuring the firm's long-term stability and success within the Brazilian legal sector.

Quiroga is a professor of Tax Law at the Law School of the University of São Paulo (USP) and in the Master's Program at the Fundação Getulio Vargas Law School (FGV).

Education

Universidade Presbiteriana Mackenzie

Bachelor of Laws

Pontifícia Universidade Católica de São Paulo (PUC-SP)

Master of Tax Law

Pontifícia Universidade Católica de São Paulo (PUC-SP)

Doctor of Tax Law

Languages Spoken

Portuguese

English

Spanish

Chambers Review

Provided by Chambers

Chambers Global Guide

Tax: Litigation - Brazil

Band 1

Individual Editorial

Roberto Quiroga Mosquera has a stellar reputation and continues to be praised for his market-leading tax litigation practice, being particularly noted for his expertise in administrative litigation before CARF.

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Strengths

Provided by Chambers

We are very much satisfied. All the results we wanted were achieved. I can recommend Roberto Quiroga.
Tax: LitigationChambers Global Guide
Quiroga is quite admired in the tax practice. He is an academic and very experienced lawyer. He has broad command of the procedures and one of his strengths is his participation in hearings.
Tax: LitigationChambers Global Guide
Roberto Quiroga Mosquera is a respected lawyer. I have a high opinion of him.
Tax: LitigationChambers Global Guide