John Koerner is an author of several historical books which focus on conspiracies and the paranormal. He is a professor of American History, and is also the founder of Paranormal Walks, a ghost tour company which explores the paranormal history of Western New York. Koerner has appeared on "America's Book of Secrets" on the History Channel, and William Shatner's "Weird or What" on the Discovery Channel. He lives in Buffalo, New York, with his wife and family.