Alfred S. Regnery is a former publisher of The American Spectator. He is the former president and publisher of Regnery Publishing, Inc., which produced twenty-two New York Times bestsellers during his tenure. Regnery also served in the Justice Department during the Reagan Administration, worked on the U.S. Senate staff, and has been in private law practice.  He currently serves on several corporate and non-profit boards, and is the Chairman of the Intercollegiate Studies Institute .

His first book, Upstream: The Ascendance of American Conservatism, was published in 2008. The book has been praised as one of the best authoritative accounts on the history of the American conservative movement.