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This content is provided by Michelle Marques Machado.

Practice Areas

Antitrust; Corporate Investigations


Partner. With more than fifteen years of experience in antitrust matters, she regularly represents domestic and foreign clients in a wide range of antitrust matters, including merger cases, antitrust investigations (including negotiation of leniency agreements and settlements), internal investigations, compliance programs, review of commercial practices, and structuring businesses in compliance with the competition law.

At Mattos Filho, Michelle currently coordinates along with partners from Antitrust/Competition and Compliance/Corporate Ethics practices their Corporate Investigations Group. She is also a member of the firm’s Technology Group, advising tech clients on antitrust matters adopting a multidisciplinary approach.

Professional Memberships

Michelle is a member of the Digital Markets Committee at the Brazilian Institute of Studies on Competition, Consumer Relations, and International Trade, of the Competition Committee at International Chamber of Commerce – ICC Brazil, and a Country Representative for the International Committee of the Antitrust Law Section of the American Bar Association. She is also a regular contributor to the ABA International Antitrust Committee Quarterly Newsletter on recent developments in the antitrust arena in South America.


Bachelor of Laws, Universidade de São Paulo (USP); Master of Philosophy and General Theory of Law, Universidade de São Paulo (USP); Master of Laws (LL.M.), Harvard Law School.