Peter Howard Gilmore (born May 24, 1958) is an American composer, artist, and author. He is the high priest of the Church of Satan and author of The Satanic Scriptures. Gilmore graduated from NYU with both a bachelor's and master's degree in music composition.
He was appointed High Priest of the Church in 2001 by Magistra Blanche Barton. As a representative of the Church of Satan, Gilmore has been interviewed on numerous television and radio programs dealing with the topic of Satanism, including appearances on History, the BBC, Syfy, Point of Inquiry, and Bob Larson's Christian radio show.
Gilmore was raised in upstate New York. He visited New York City regularly throughout his youth and moved to Hell's Kitchen in 1980. He read The Satanic Bible at age thirteen and has described The Church of Satan as "the motivating philosophical force in my life" ever since.
In 1989, he and his wife Peggy Nadramia began publishing a Satanic journal, The Black Flame, and continues to publish issues sporadically. In 2005, Gilmore wrote the new introduction to Anton LaVey's The Satanic Bible, and his essay on Satanism was published in The Encyclopedia of Religion and Nature.