David Klass

David Klass is an American screenwriter and novelist. He has written more than 40 screenplays for Hollywood studios and published 14 young adult novels. His screenplays are primarily character-based thrillers for adults, while his novels often tell the stories of teenagers in crisis. Klass was born in Vermont and raised in Leonia, New Jersey, the son of Sheila Solomon Klass, English professor and author, and Dr. Morton Klass, professor of anthropology at Barnard College and the brother of Dr. Perri Klass, a pediatrician, author, educator, and a contributing columnist for The New York Times. His uncle was science fiction author Philip Klass, who wrote under the name William Tenn.

Klass attended Leonia High School. He received his BA in History from Yale University in 1982 and later graduated from USC School of Cinema-Television (1989). Klass lives in New York City with his wife, Giselle Benatar, and their two children.