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Profile
Work Department
Position
Partner
Career
Marcio has extensive experience in competition matters, representing domestic and foreign clients from various sectors of the economy in approving corporate transactions (mergers) before the Administrative Council for Economic Defense (Cade), as well as in investigations of anticompetitive conduct – especially cartels and abuse of dominant position – negotiating leniency agreements and cease-and-desist agreements (TCCs), antitrust lawsuits, competition compliance and general advice.
Marcio serves as co-chair of the Working Group on International Cartels of the International Bar Association’s (IBA) Antitrust Committee and is a member of the International Committee of the Antitrust Section of the American Bar Association (ABA). He is also a board member of the Brazilian Institute for the Study of Competition, Consumption and International Trade (Ibrac). Marcio is a guest professor in Fundação Getúlio Vargas’s graduate program in Rio de Janeiro, and has written a number of articles on antitrust law published in Brazil and abroad.
Languages
Memberships
Education
Bachelor of Laws – Universidade do Estado do Rio de Janeiro
Postgraduate Degree in Private Law – Universidade do Estado do Rio de Janeiro
Master of Laws (LL.M.) – Columbia Law School
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Testimonials
Collated independently by Legal 500 research team.
‘MF is a firm that sets itself apart from others as it has agility and perceives companies' challenges very easily. The work is delivered with high quality and the difference is delivering material that meets the client's needs, especially in terms of format.'
‘Michelle Machado- exceptional and super proactive partner, who plays a clear leadership role and possesses strong antitrust knowledge.'
'Ana Bittar - very competent and diligent senior associate; demonstrates great knowledge of the antitrust area.'
‘The team is highly qualified, objective and accessible. They have a lot of knowledge of the industry and recent decisions by CADE.'
‘The firm is willing to find solutions and offer alternatives to the technical situations presented, at the same time anticipating risks and offering paths.'
'Lauro Celidonio endeavours to understand our business in depth and thus provide suitable legal advice.'
Key clients
- Naspers
- Amgen
- Darling Ingredients
- Globo
- Visa International
- Liberty Mutual Insurance
- A.P. Møller – Mærsk A/S
- Suzano
- Novozymes
- Winity Telecom (Patria Investimentos portfolio company)
- Stellantis
- Shell
- Bayer
- SALIC