Danny Coulson (born June 29, 1941) is a former Deputy Assistant Director of the FBI. In his thirty-year tenure at the FBI, Coulson created and commanded the FBI’s Hostage Rescue Team and commanded four field divisions. As of Spring 2009, Danny Coulson is a successful security consultant, author, and guest speaker. His book No Heroes: Inside The FBI's Secret Counter-Terror Force was used as a dialogue reference for the 2008 Marvel Cinematic Universe debut film Iron Man, with the character of Agent Phil Coulson (portrayed by Clark Gregg) being named after him.