Guilherme has nineteen years of experience in competition law, having worked at both public agencies and private companies, assisting clients in different industries, such as pharmaceutical, telecommunications, technology, payment service providers, food and beverages, textile, and plastics. His practice is focused on advising clients on cartel investigations and unilateral conducts, as well as on mergers and compliance programs. He served as general coordinator in the now extinct SDE (Secretariat of Economic Law) of the Ministry of Justice, where he conducted the first antitrust dawn raids and drafted the antitrust compliance guidelines (SDE Ordinance No. 14/2004).
Guilherme is recommended by the most relevant international legal guides: Chambers Latin America, The Legal 500, GCR 100, Expert Guides, Latin Lawyer 250, and Who’s Who Legal. He is also LACCA Approved: Latin America’s leading private practitioner for Antitrust.