Ken Williams founded Sierra along with his wife, Roberta. He programmed Sierra's earliest titles, including Mystery House and the first title in the King's Quest series (Quest for the Crown). Afterward, he would serve as the CEO of Sierra throughout its golden years. He was instrumental in some of Sierra's major business acquisitions, including the purchase of Dynamix.
Ken Williams is currently retired. He and Roberta are not presently affiliated with Sierra Studios. They own a boat and enjoy touring the world on it.
Ken was the digital character model for Deputy District Attorney Cannon in Police Quest 3: The Kindred, a game on which he served as Executive Producer.