Our professionals

Experience

With more than twenty years of experience in antitrust, Michelle represents domestic and foreign clients in a wide range of antitrust matters, including merger cases, antitrust investigations (including negotiating leniency agreements and settlements), internal investigations compliance programs, reviewing commercial practices, and structuring businesses in compliance with competition law. She holds an LL.B. (2004) and Master of Laws (2008) from the Universidade de São Paulo and an LL.M. from Harvard Law School (2013).

At Mattos Filho, Michelle currently coordinates our Corporate Investigations Group along with partners from Antitrust and Compliance & Corporate Ethics practices, which takes a multidisciplinary approach to assisting clients in managing their business risks. She is also a member of the firm’s Technology Group, advising tech clients on antitrust matters.

Michelle is a member of the Digital Markets Committee at the Brazilian Institute of Studies on Competition, Consumer Relations, and International Trade (IBRAC), a country representative at the International Committee of the American Bar Association’s Antitrust Law Section, as well as a steering committee member of the of International Antitrust Committee of the American Bar Association’s International Law Section. She is a regular contributor to the ABA International Antitrust Committee Quarterly Newsletter on recent developments in the antitrust arena in South America. In March 2021, she also joined the Steering Committee of GCR Antitrust Law Leaders Global.

Education

Bachelor of Laws – Universidade de São Paulo (USP);

Master of Legal Philosophy and Theory – Universidade de São Paulo (USP);

Master of Laws (LL.M.) – Harvard Law School.

Recognitions

Chambers Brazil – Competition & Antitrust (2021 – 2024);

The Legal 500 – Next generation partner: Competition & Antitrust (2019 – 2021, 2025);

Análise Advocacia – Antitrust (2022);

Análise Advocacia Mulher – Antitrust (2022 – 2024) and São Paulo (2023);

Euromoney Expert Guides – Women in Business Law: Competition & Antitrust (2022);

Global Competition Review – GCR Awards: Nomination for Lawyer of the Year: 40 under 40 (2021) and Recognized in the specialized raking Women in Antitrust (2021);

Lexology Index – Competition (2023 – 2024), Future Leader: Competition (2018 – 2022), Latin America: Most highly regarded (2022) and Global Elite: Competition under 45 (2023).