Areas of Practice

Karina Thomas is an associate in the litigation and enforcement group, where she focuses on cross-border investigations, health care fraud investigations, and internal compliance program in the U.S. and Latin America. She also assists clients in conducting transactional deal diligence with the specialty in anti-corruption, anti-money laundering, and international sanctions.

Along with her litigation practice, Karina has experience as a Brazilian lawyer representing companies in a broad spectrum of anti-bribery, white-collar crimes, and tax-related matters.

During her LL.M. in the U.S., Karina founded and served as the president of the Anti-corruption and Anti-money Laundering Georgetown Student Association and was an extern at the Integrity Vice-presidency of the World Bank Group. While in law school in Brazil, she was also an extern at Mato Grosso State Criminal Court, Mato Grosso District Attorney’s Office, and Mato Grosso Embezzlement State Police Department.


  • Conducted internal investigation for a health care company involving allegations of bribery in Latin America.
  • Conducted internal investigation for a marketing company involving allegations of embezzlement in Brazil.*
  • Designed and conducted compliance trainings for several multinational companies in Brazil.*
  • Conducted cross-border investigations for a Multilateral Development Bank (MDB).*
  • Represented a Brazilian investment firm in connection with violations of laws before the Chicago Mercantile Exchange.
  • Conducted internal investigation for a major oil company involving allegations of bribery in Latin America.
  • Conducted risk-based deal diligence on high-risk cross-border transactions focusing on anti-corruption, anti-money laundering and international sanctions risks.
  • Designed and implemented anticorruption compliance programs for Brazilian and multinational companies.*

*Experience prior to joining Ropes & Gray

Areas of Practice