Schnoebelen was born in 1949 and raised a Roman Catholic Bill (William) Schnoebelen, Ex Vampire, Ex Ninety Degree Freemason, Ex Satanist. He had intended to become a Catholic priest; however, in 1967 he was introduced to the occult and shortly afterwards became a Wiccan. He met his priestess, Sharon, who later became his wife in 1972. He was a student and teacher of witchcraft and ceremonial magic for 16 years, spent 7 years in the Church of Satan, 9 years as a Freemason and 5 years as a Mormon before becoming born again in 1984 . He also claims to have been a practising vampire from 1979 . He released a nine-hour DVD program titled "A True Story", hosted by Stephanie Relfe, that documented his involvement in vampirism.

Schnoebelen was made a first degree Wiccan priest in 1968, a Spiritualist minister in the Alliance of Divine Love (1972), a priest in the Alexandrian rite of Wicca (1973), a Druidic High Priest (1973) a Third Degree Alexandrian priest (1973), a priest in the Old Roman Catholic Church, starting his studies for this in 1974-5, a Second Degree member of the Church of Satan (1975), a Master Mason in 1977, a Knight Templar in the York Rite Masonry, a 32nd Degree Mason in the Scottish Rite (1980), a Gnostic Bishop with the Monastery of the Seven Rays (1977-8), a 90th Degree Mason in the Ancient and Primitive Rite of Memphis Misraim Freemasonry, baptized into the LDS church in 1980 and became Elders' Quorum President and Institute of Religion teacher and formally left this church for evangelical Christianity in 1985

He has a degree in Music and Education from Loras College (1971), a Master of Theology degree from St Francis School of Pastoral Ministry (1980), an MA in Counselling from Liberty University (1990) and is a Naturopathic Doctor, a nutritional herbologist and Certified Natural Health Professional

Schnoebelen has published seven books:

• Masonry: Behind the Light
• Blood on the Doorposts: An Advanced Course in Spiritual Warfare
• Wicca: Satan's Little White Lie
• Space Invaders
• Lucifer Dethroned
• Mormonism's Temple of Doom
• The Seventeen 'Straw Men' of the true Church