2 Resources share the relationship screenwriter to Cogman, Bryan

Game of thrones, HBO Entertainment ; producers Chris Newman, Greg Spence ; co-executive producers, George R.R. Martin, Guymon Casady, Vince Gerardis, Vanessa Taylor ; executive producers, Bernadette Caulfield, Frank Doelger, Carolyn Strauss, David Benioff, D.B. Weiss ; created by David Benioff & D.B. Weiss ; Television 360 ; Startling Television ; Bighead Littlehead ; a presentation of Home Box Office, The complete fourth season
Game of thrones, HBO Entertainment presents ; Television 360 ; Grok Television ; Generator Entertainment ; Bighead Littlehead ; written by David Benioff, D.B. Weiss, Bryan Cogman, Jane Espenson, and George R.R. Martin ; directed by Tim Van Patton, Brian Kirk, Daniel Minahan, and Alan Taylor, The complete first season