Jason Christopher (born January 20, 1971) is an American bassist. He is the bassist and backing vocalist for Corey Taylor and formerly bassist for Prong, Ministry, Stone Sour and Sebastian Bach. Christopher also played bass for The Royal Machines, a supergroup featuring Dave Navarro and Billy Morrison, and was a founding member of New Dead Radio and the punk rock group Black President with guitarists Greg Hetson and Charlie Paulson, singer Christian Martucci, and drummer Roy Mayorga. Christopher has published his first book, The Rogue to Nowhere, the first part of a planned trilogy.