David Berenbaum is a native of Philadelphia and a graduate of New York University's Tisch School of the Arts. He is best known for writing the 2003 Will Ferrell Christmas comedy classic, "Elf". He also wrote "The Haunted Mansion" for Disney, based off the famous theme park ride; the film starred Eddie Murphy. In 2014, it was announced Berenbaum was penning the sequel to Mrs. Doubtfire.