Edward O’Callaghan is a partner in Clifford Chance’s Litigation & Dispute Resolution practice in New York, with 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, 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.
Mr. O’Callaghan 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 1999-2008, Mr. O’Callaghan was an Assistant United States 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.
Mr. O’Callaghan is a recipient of the U.S. Attorney General’s Award for Distinguished Service (2008) and the Director’s Award for Superior Performance as an Assistant U.S. Attorney (2000). He received a B.A. Government (magna cum laude, Phi Beta Kappa) from Georgetown University in 1991, a J.D. from New York University School of Law in 1994 and was admitted as an Attorney-at-Law in New York in 1995. After law school, he was Law Clerk to the Honorable Kevin Thomas Duffy, United States District Judge for the Southern District of New York.