Mattiuzzo Viotto Haddad launches in Brazil
Mattiuzzo, Viotto, Haddad Advogados has started operations in Brazil, offering nationwide coverage from its base in São Paulo and a branch office in Brasília. The firm was founded by lawyers Marcela Mattiuzzo, Aline Viotto and Frederico Haddad, who structured the practice around four main areas: competition law, regulatory affairs, technology, and third-sector matters. The firm begins operations with a client roster that includes companies in the technology, healthcare and payments sectors, as well as business associations, socio-environmental impact ventures, philanthropic funds and civil society organizations.
Marcela Mattiuzzo holds a master’s and a PhD in law from USP, teaches at IDP and previously served as chief of staff to the presidency of Cade, Brazil’s antitrust authority. She currently acts across competition, technology, data protection, privacy and AI governance matters, and chairs the Digital Markets and Data Governance Committee at the Brazilian Institute for Competition, Consumer and International Trade Studies (Ibrac).
Aline Viotto, a partner with six years of experience advising business associations, cooperatives, institutes and philanthropic funds focused on socio-environmental impact, has previously coordinated the advocacy division at the Group of Institutions, Foundations and Companies (Gife), served as an advisor to the Mayor’s Office of São Paulo, sat on the board of São Paulo Urbanismo (SP-Urbanismo), and worked as a parliamentary advisor at the São Paulo City Council, where she contributed to drafting the city’s Strategic Master Plan.
Frederico Haddad holds a PhD in economic law from USP and teaches at the Federal University of Maranhão, with academic research applied to the healthcare and urban development sectors.
