Ed O’Callaghan is currently a partner at WilmerHale in Washington, DC.  Prior to joining WilmerHale, Edserved in the Justice Department as the Principal Associate Deputy Attorney General, where he acted as the primary counselor to the Deputy Attorney General and a key advisor to the Attorney General.  During his time as PADAG, Ed also servedas the Acting Deputy Attorney General.  In these roles, Edhelped manage 113,000 attorneys, agents, investigators, and administrators, 93 US attorney offices, and all DOJ law enforcement agencies such as the Federal Bureau of Investigation; Drug Enforcement Agency; Bureau of Alcohol, Tobacco and Firearms; US Marshals Service; and the Bureau of Prisons.  Prior to joining the Deputy Attorney General’s office, Ed also served as the principal deputy assistant attorney general in DOJ’s National Security Division and as the Acting Assistant Attorney General in charge of the National Security Division.  In this latter role, Ed supervised all units and components within the NSD, including the Counterterrorism Section, Counterintelligence and Export Control Section, Office of Intelligence, Office of Law & Policy, Foreign Investment Review Staff, and Office of Justice for the Victims of Overseas Terrorism.  Ed also served for a decade as an Assistant US Attorney in the Southern District of New York where he also served as Co-Chief of the Terrorism & National Security Unit.  Edis a graduate of Georgetown University and NYU Law School.  Following law school, Ed clerked for Judge Kevin Thomas Duffy of the United States District Court for the Southern District of New York.