Preston M. Sprinkle (PhD, University of Aberdeen) is a a highly sought after speaker, teacher, and author. His many books include Erasing Hell (coauthored with Francis Chan), reached number three on the New York Times Best Sellers list.

Preston has served as a professor of theology at Cedarville University, Nottingham University, and Eternity Bible College. He also hosts a daily radio show in Boise, Idaho, and the Theology in the Raw podcast, where he responds to questions sent in by his faithful listeners.