Sebastian Gorka, Ph.D., nationally syndicated radio host of "America First with Sebastian Gorka," internationally recognized authority on national security, strategy, and counter-terrorism, and author of the New York Times bestseller Defeating Jihad, holds the Major General Matthew C. Horner Distinguished Chair of Military Theory at the Marine Corps University. He is a regular lecturer for U.S. Special Operations Command, the FBI's Counter-terrorism Division, and the Green Berets, and he has briefed the CIA, the Defense Intelligence Agency, and the National Intelligence Council. A Breitbart News contributor and frequent guest on the Fox networks as well as the BBC, CNN, and Sky News, Dr. Gorka is the chairman of the Threat Knowledge Group and a recipient of the Joint Civilian Service Commendation, awarded by U.S. Special Operations Command.