Steven M. Greer

Steven M. Greer is an American ufologist, retired emergency medicine physician and founder of the Center for the Study of Extraterrestrial Intelligence and the Disclosure Project. He has been one of the most prominent advocates for government disclosure of information about unidentified aerial phenomena and alleged extraterrestrial contact. Greer's work has attracted both a devoted following and significant controversy. His books and audiobooks offer readers and listeners detailed accounts of his investigations and his arguments for transparency about unexplained phenomena.