Guymon Patrick Casady is an American media executive, motion picture and television producer and talent manager. Casady is a four time Emmy Award-winning co-executive producer on HBO's Game of Thrones, which holds the distinction for being the most Emmy award-winning scripted series in television history. He is also the producer of Steve Jobs written by Aaron Sorkin and directed by Danny Boyle, which was nominated for two Oscars, Office Christmas Party starring Jason Bateman, Jennifer Aniston and Kate McKinnon, Hope Springs starring Meryl Streep, Tommy Lee Jones and Steve Carell, an executive producer on the $800M grossing franchise The Expendables, and is an executive producer on the television series The Terror, now in its second season on AMC.