Aisling O'Shea

Criminal defense, government and internal investigations and the FCPA

Aisling O’Shea is a co-head of S&C’s FCPA and Anti-Corruption Group and a member of the Criminal Defense and Investigations Group and the Litigation Group. She has extensive experience in conducting internal investigations and defending clients in criminal and regulatory matters related to corruption, money laundering, securities fraud and other forms of financial fraud, tax evasion, and criminal antitrust. Ms. O’Shea advises clients on FCPA and anti-corruption issues, including FCPA-related transactional issues and corporate compliance programs and internal controls. She has represented financial institutions, multinational corporations and executives in investigations and enforcement actions by numerous government authorities, including the U.S. Department of Justice, the U.S. Securities and Exchange Commission, the U.S. Commodity Futures Trading Commission, various U.S. Attorney’s Offices, various bank regulators, FinCEN, various bank and insurance regulatory agencies, various state and local prosecutor’s offices, and the UK Financial Conduct Authority. Ms. O’Shea rejoined the Firm in 2017 after more than five years of service as a trial attorney in the FCPA Unit of the Fraud Section of the U.S. Department of Justice’s Criminal Division. Over the course of her tenure at the DOJ, Ms. O’Shea worked closely with every major U.S. Attorney’s Office and federal law enforcement agency, as well as in coordination with other government agencies, including the U.S. Securities and Exchange Commission, FinCEN and the Office of Foreign Assets Control, and numerous foreign law enforcement and regulatory authorities.

National Co-Chair, American Bar Association, White Collar Crime Committee