A Big Bear native, Piestrup is a documentary filmmaker and is a former KROQ DJ, television host. His first film, 2011′s Downhill: The Bill Johnson Story earned rave reviews from The Hollywood Reporter and the Boston Globe. An admitted Christian radio and TV addict, Piestrup first heard of Camping’s prediction on one of his drives to Mammoth Mountain. As the only journalist with daily access to the doomsday radio evangelist, Piestrup, even though a non-believer, forged a close relationship with Camping. Apocalypse Later is Piestrup’s second feature-length documentary.