Find people & offices

Experience and career history

Edward O’Callaghan has extensive litigation experience in civil and criminal matters both in private practice and in government service. His practice focuses on defending organizations and individuals in international and domestic regulatory investigations and criminal prosecutions, including cases involving allegations of securities fraud, insider trading and market manipulation, bank fraud, money laundering, accounting fraud, health care fraud, and matters involving alleged violations of the United States export controls, FCPA and state and federal False Claims Act statutes. Edward has represented three of the largest financial institutions in the world in grand jury investigations, regulatory enforcement and compliance matters and in transactional due diligence investigations. He also handles complex civil cases, conducts internal investigations for corporate clients and constructs effective compliance programs. 

From 1999 until 2008, Edward was an Assistant U.S. Attorney for the Southern District of New York, and Co-Chief of the Terrorism & National Security Unit during the last three years of his tenure. He acted as the lead prosecutor on a number of high-profile matters including the Department of Justice’s international financial fraud investigation and prosecutions related to corruption in the United Nations Oil-for-Food Program, Racketeer Influenced and Corrupt Organizations Act (RICO) prosecutions of crime families, numerous banks and securities fraud cases, Foreign Corrupt Practices Act (FCPA) matters, export control enforcement, and other cases.

Georgetown University 1991 (BA Government)
New York University School of Law (JD) 1994
Admitted as an Attorney-at-Law in New York 1995
Partner since 2011

Director’s Award for Superior Performance as an Assistant U.S. Attorney, 2000
U.S. Attorney General’s Award for Distinguished Service, 2008