Guymon Patrick Casady is an American talent manager and producer. Guymon is an Emmy Award winning and four time Emmy Award nominated co executive producer on HBO's Game of Thrones, the producer of Steve Jobs, written by Aaron Sorkin and directed by Danny Boyle, and a founding partner of leading talent management firm Management 360 with Daniel Rappaport. He began his career in artist management as an assistant at Creative Artists Agency (CAA). Casady earned a B.A. in European history and art history from the University of Pennsylvania. He is married to Robyn Norris Casady and is the father of Ford and Boone Casady.