Benioff and Weiss wrote their episodes with each other 1 wrote the 1st half of the script with the other producing the next 50 %. Cogman, who wrote at least one episode for the initial five seasons, was the only other author in the writers' room with Benioff and Weiss. Before Cogman's advertising, Vanessa Taylor-a writer throughout the 2nd and third seasons-labored closely with Benioff and Weiss.