In March 14, 2008, Director Robert S. Mueller, III appointed Thomas J. Harrington Associate Executive Assistant Director (AEAD) of the National Security Branch (NSB). In this new role, he joins the NSB leadership team that includes Executive Assistant Director Art Cummings and AEAD Philip Mudd. AEAD Harrington will continue to lead the Strategic Execution Team (SET), which Director Mueller established in September 2007 to build on and accelerate efforts to enhance the FBI’s performance of its national security mission. AEAD Harrington is a 23-year veteran of the FBI’s criminal and national security programs. Before leading the SET initiative, he served as Deputy Assistant Director for Counterterrorism.
Mr. Harrington entered on duty as a special agent with the FBI in 1984. Upon completion of training at the FBI Academy in Quantico, Virginia, he was assigned to the Denver Division. In Denver, he specialized in white collar crime matters, including financial institution and securities fraud investigations. In June 1991, he was assigned as a Supervisory Special Agent in the Criminal Investigative Division at FBI Headquarters. During that time, Mr. Harrington oversaw the FBI’s national insurance and securities fraud initiatives.
In November 1993, Mr. Harrington was designated Supervisory Special Agent of the Economic Crimes Squad and the White Collar Crime Coordinator within the Philadelphia Division. He was instrumental in the proposal and subsequent establishment of a Russian/Eastern European Criminal Enterprise Squad in Philadelphia in 1998. He served as supervisor of this new squad until his promotion to Assistant Special Agent in Charge (ASAC) of the Philadelphia Division in August 1999. As ASAC, Mr. Harrington maintained managerial oversight of the Organized Crime/Drug and Violent Crimes/Major Offenders programs in Philadelphia. He also played a major role in the establishment of the NSB in 2005.
In 2002, Director Mueller appointed Mr. Harrington Deputy Assistant Director (DAD) for Counterterrorism, Operational Support Branch. During his tenure as DAD, he had administrative oversight for the Counterterrorism Division and managerial responsibility for the Foreign Terrorist Tracking Task Force, the Counterterrorism Operational Response Section, and the National Threat Center.
Mr. Harrington is a 1978 graduate of Mount St. Mary’s College in Emmitsburg, Maryland, and a 1990 graduate of the Stonier Graduate School of Banking, American Bankers Association, University of Delaware, in Newark, Delaware. Mr. Harrington received the Presidential Rank Award for Distinguished Executive in 2006.