For 35 years, Dan Smith has been involved in the development, testing, evaluation and implementation of security technologies. His primary assignments involved nuclear security positions in the U.S. Nuclear Regulatory Commission and the U.S. Department of Energy, including an overseas assignment with the United Nation's International Atomic Energy Agency in Vienna, Austria. For 16 of his years with the U.S. government, Dan was also an interagency participant, Chairman and subsequently a Senior Program Manager in the U.S. counterterrorism community's Technical Support Working Group (TSWG), developing security-related anti-terrorism technologies. The TSWG is administered by the U.S. Department of Defense's Combating Terrorism Technology Support Office. Dan retired from the U.S. government in May 2007 and is currently supporting the Department of Defense's Physical Security Equipment Action Group, as senior security consultant with L-3 Communications.