Guiley is a consulting editor of FATE magazine and a regular guest on Coast to Coast AM. She has made television appearances on various networks, including A&E, The History Channel and The Discovery Channel. Her work has been translated into 14 languages. She takes part in conventions and events like the International U.F.O Congress and Conference, Vail Symposium, and Michigan Paranormal Convention.
Rosemary Ellen Guiley was a friend of John Keel. He considered her to be one of his favorite people. She has spoken several times at the Mothman Festival and released a book titled "Monsters of West Virginia: Mysterious Creatures in the Mountain State" in 2012 which featured Mothman content. She also did another West Virginia themed book in 2014 called "The Big Book of West Virginia Ghost Stories".