Nicholas M. Tzakis has worked as a criminal intelligence analyst at San Diego Law Enforcement Coordination Center. He has served as an intelligence officer in the U.S. Navy, Army and Air Force. He has also been on active duty as deputy special security officer to HQ ACC supporting Operation Noble Eagle and Enduring Freedom. With more than 12 years of experience in teaching, his expertise includes criminal justice and homeland security. Tzakis holds a master's in education and an MBA.