Our professionals

Our professionals

Managing partner

Roberto Quiroga

Roberto Quiroga
55 11 3147 7651 quiroga@mattosfilho.com.br São Paulo – Paulista

Areas of expertise


One of the firm’s founding partners, Roberto Quiroga reassumed his role as the firm’s managing partner in 2020. As a lawyer, he has focused his career on tax law, acquisitions and corporate reorganizations, and financial and capital markets, assisting clients in Brazil and abroad.


For over 20 years, Quiroga has played a leading role in pioneering Mattos Filho’s pro bono work in Brazil, helping to build the values present in our culture and enabling us to make a positive impact on society. He was also fundamental in establishing our innovative governance model (which went on to become a case study at Harvard University), assuring the firm’s sustainability and success in the Brazilian legal market.


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


Bachelor of Laws – Universidade Presbiteriana Mackenzie

Master of Tax Law – Pontifícia Universidade Católica de São Paulo (PUC-SP)

Doctor of Tax Law – Pontifícia Universidade Católica de São Paulo (PUC-SP)


Análise Advocacia – Tax (2010-2021), Financial Operations, Banks, Financial, Healthcare, Insurance and Technology (2018-2021), Automotive and Autoparts (2021), Food, Beverage & Tobacco (2019), Real Estate (2019), Construction and Engineering (2019, 2021) and São Paulo (2019, 2021)

Chambers Global – Tax (2000-2019), Star Individuals: Tax (2016), Tax Litigation (2014-2020) and Star Individuals: Tax Litigation (2016)

Chambers Brazil (formerly Chambers Latin America) – Tax (2009-2019), Star Individuals: Tax (2015-2016), Tax Litigation (2013-2022) and Star Individuals: Tax Litigation (2016)

Euromoney Expert Guides – Best of the Best Latin America; Tax (2016, 2020-2021)

International Tax Review – Tax Controversy (2011-2022)

LACCA Approved – Tax (2016-2022) and Thought Leaders – Tax (2019-2022);

Latin Lawyer 250 – Tax (2012-2021)

The Legal 500 – Leading lawyers: Tax (2012-2021) and Leading Lawyers: Tax: Litigation (2022)

Who’s Who Legal Global – Corporate Tax: Advisory (2018-2021) and Corporate Tax: Controversy (2019-2021)

Who’s Who Legal Brazil – Administrative Litigation (2015-2021) and Corporate Tax (2014-2021)

Who’s Who Legal Thought Leaders – Corporate Tax (2019-2020), Brazil – Administrative Litigation (2021) and Brazil – Corporate Tax (2021)


Único. The Mattos Filho news portal

Authored publications

Mattos Filho in the media

With Roberto Quiroga

Mattos Filho Rebrands With Bright Logo And ShorterName

Brazilian law firm Mattos Filho this week rebranded with a shortened name and a more modern aestheticin its website and marketing materials, the latest move the firm has made to compete on the internationallegal stage.

Click here  to read the Law360 article.

Mattos Filho annouces two new partners

​Mattos Filho has announced that Tomás Neiva (Corporate/M&A) and Gustavo Swenson (Life Sciences and Healthcare) have been admitted as the firm’s newest partners. With both based at the São Paulo office, Tomás and Gustavo’s arrival underlines Mattos Filho’s commitment to continued, sustainable growth. The total number of partners at the firm now reaches 119.

Click here to read Iberian Lawyer article.

Mattos Filho adds corporate and life sciences partners

​Mattos Filho, Veiga Filho, Marrey Jr e Quiroga Advogados has appointed two new partners by hiring from local law firms Neiva, Barros & Figueiró Sociedade de Advogados (NBFA) and SPLaw – Spiewak e Carneiro Advogados, strengthening its corporate and M&A and life sciences departments.

Click to read the Latin Lawyer article.

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