William Shunn is the author of the acclaimed 2015 memoir The Accidental Terrorist: Confessions of a Reluctant Missionary. Since his first publication in 1993, his short fiction has appeared in Salon, Storyteller, Bloodstone Review, Newtown Literary, Asimov's Science Fiction, The Magazine of Fantasy & Science Fiction, Science Fiction Age, Realms of Fantasy, Electric Velocipede, and various anthologies and year's-best collections. His work has been shortlisted for the Hugo Award, the Nebula Award, the Theodore Sturgeon Memorial Award, and the Association for Mormon Letters Award. His chapbook An Alternate History of the 21st Century appeared from Spilt Milk Press in 2007, and his novella Cast a Cold Eye, written with Derryl Murphy, came out from PS Publishing in 2009.

He is host and producer of the Line Break literary reading series in Queens, New York, where he lives with his wife, Laura Chavoen, and their soft-coated wheaten terrier, Ella the Wonder Dog.