D.B. "Dan" Weiss is an American Emmy winning novelist and scriptwriter. His debut novel Lucky Wander Boy attracted favorable reviews on its release in 2002. He has written a number of unproduced film screenplays, including adaptations of the Halo computer game series and of the novel Ender's Game. He is also working on the I Am Legend prequel movie. He is a long-time friend and occasional collaborator of David Benioff. Benioff and Weiss won the Outstanding Writing for a Drama Series 2015 Emmy Award for the Season 5 finale, "Mother's Mercy".