Mr Daniel Oliveira Andreoli > Demarest Advogados > Sao Paulo, Brazil > Lawyer Profile

Demarest Advogados
SÃO PAULO, SP 05419-001

Work Department

Antitrust Law




Partner of Demarest’s Competition area, Daniel Oliveira Andreoli holds a master’s degree in Corporate and Competition Law approved with merit in European and English Competition Law from King’s College (University of London) and a Bachelor of Laws from PUC-SP. He has more than 18 years of experience, including acting in complex antitrust cases, representing a wide variety of domestic and international companies in concentration acts and in investigations initiated by the Administrative Council for Economic Defense (CADE). He has solid experience in negotiating and drafting leniency agreements, as well as cease and desist and merger control agreements. Daniel acts together with companies in competitive risk diagnostics, as well as formatting and implementing antitrust compliance programs. He represents clients in unilateral conduct investigations involving allegations of abuse of dominant position. He is also a speaker at numerous events related to the area and has published articles on the topic of competition in local and international publications.


Portuguese, English.


  • Former President (2016-2018 Management) and Former Vice-President (2013-2015 Management) of the Economic Studies and Economic Regulation Commission (CECORE) of OAB/SP
  • Member of the International Bar Association (IBA) Unilateral Conduct Working Group
  • Member of the American Bar Association (ABA)
  • Non-Governmental Advisor (NGA) of the Administrative Council for Economic Defense (CADE) for the International Competition Network (ICN) annual conferences and ICN Cartel Workshop and ICN Merger Workshop annual meetings.
  • Member of the Board of the Brazilian Institute of Competition, Consumption and International Trade Studies (IBRAC)
  • CADE Group Coordinator of the Brazilian Association of Private Equity & Venture Capital (ABVCAP)


  • Specialization in International and North American Law at the Academy of American and International Law, organized by The Center for American and International Law, USA (2012)
  • Specialization in Business Management from the Business School of São Paulo, São Paulo, Brazil (2007)
  • Master’s degree (LLM) in Corporate and Commercial Law from King’s College of London, University of London, London, England (2000)
  • Bachelor of Laws from the Pontifical Catholic University of São Paulo (PUC-SP), São Paulo, Brazil (1997)

Lawyer Rankings

Brazil > Competition and antitrust

The ‘dedicated, technical and agile team‘ at Demarest Advogados is regularly engaged by major companies in the healthcare, education and technology sectors, among others, and also maintains relationships with leading international law firms in the UK and US. The practice is well versed in behavioural investigations into cartels and other forms of anti-competitive conduct, while on the mergers side, the firm stands out for its track record in complex cases. With a sizeable team dedicated to competition and antitrust, the firm brings together the expertise of its experienced professionals. Paola Pugliese is the chair of the Competition Commission of the ICC for 2022 and 2023, and acts for clients in high-profile competition investigations and proceedings; Daniel Oliveira Andreoli stands out for his role in negotiating leniency and settlement agreements; Bruno Drago is particularly active in abuse of dominance cases; and Milena Fernandes Mundim draws on her previous experience both in CADE and an international law firm to advise on cross-border mergers, and was elected chief executive of the Competition Commission of the ICC for 2022 and 2023. Clients also benefit from the input of the department’s experienced senior associates Fabianna Morselli and Marco Antônio Fonseca.