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Michael O'Leary

Of Counsel

901 K Street NW, Suite 850, Washington, DC 20001

Mike O’Leary represents companies and individuals in connection with investigations by domestic and foreign regulatory and criminal authorities.

Mike regularly counsels businesses facing compliance and regulatory issues relating to foreign bribery, money laundering, the Arms Export Control Act (“AECA”), the International Traffic in Arms Regulations (“ITAR”), and various economic sanctions programs.

Mike previously served as an Assistant United States Attorney in the U.S. Attorney's Office for the Southern District of Florida in Miami, where he investigated and prosecuted a wide variety of federal offenses, including bank and wire fraud, identity theft, violent crimes, Medicare fraud, money laundering, currency-related offenses, and international narcotics trafficking. During his time as a federal prosecutor, Mike tried sixteen jury trials and argued two cases before the Eleventh Circuit Court of Appeals. Mike also previously served as a law clerk to the Honorable Cecilia M. Altonaga, United States District Judge for the Southern District of Florida.

Client Results

Representative Matters
  • A major defense contractor in connection with an internal investigation relating to alleged ITAR violations.

  • Represented an individual in connection with federal bribery charges.

  • Represented a multi-national company in connection with enforcement action by OFAC.

  • Counseled multiple companies in connection with compliance issues relating to the AECA and ITAR.

  • Represented a major financial institution in connection with a wide variety of domestic and foreign inquiries into alleged manipulation of benchmark interest and exchange rates.
  • Represented a number of Swiss financial institutions and a Swiss professional services firm in connection with investigations related to the DOJ’s Offshore Tax Compliance Initiative.
  • Represented a foreign bank in an internal investigation into possible violations of OFAC sanctions.
  • Represented a foreign executive in connection with an investigation into alleged economic espionage.
  • Represented a large international electronics company in a multimillion-dollar civil fraud case.


Speaking Engagements


Bar Admissions

Court Admissions


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