Retired U.S. Army Sergeant Major known for his claims about classified UFO documents and advocating for UFO disclosure.
Robert Dean was a retired U.S. Army Command Sergeant Major and prominent UFO whistleblower.
He gained recognition for his claims that, while working at NATO in the 1960s, he had access to a classified document titled The Assessment, which detailed NATO’s analysis of UFO encounters and their potential extraterrestrial origins.
Dean became a vocal advocate for UFO disclosure, frequently speaking at conferences and interviews, calling for the release of government-held information on extraterrestrial life. His testimony contributed to growing public interest in government secrecy regarding UFOs, and he is remembered as an influential figure in the disclosure movement.
