|Born||September 1970 (age 43)
New York City
|Spouse(s)||Amanda Peet (2006–present; 2 children)|
Benioff was born David Friedman in New York City. He is the son of Barbara (Benioff) and Stephen Friedman, who is the former head of Goldman Sachs. He changed his name in his late thirties to David Benioff, his mother's maiden name. He is the youngest of three children. His family is of German Jewish and Russian Jewish descent.
He is an alumnus of The Collegiate School and a Dartmouth College alumnus and a member of Phi Delta Alpha Fraternity. At age 22, he worked as a club bouncer and then became a high school English teacher at Poly Prep in Brooklyn, New York City. Additionally, he attended the University of California Irvine and Trinity College Dublin, and received a Master of Fine Arts degree in the creative writing program.
While working as a high school English teacher, he wrote the book called The 25th Hour and received positive recognition for the book. He later adapted the book into a screenplay, which was filmed starring Edward Norton and was directed by Spike Lee. He then wrote a collection of short stories titled When the Nines Roll Over (And Other Stories) in 2004.
Benioff drafted a screenplay of the mythological epic Troy (2004) for which Warner Bros pictures paid him $2.5 million. He also wrote the script for the psychological thriller Stay (2005), which was directed by Marc Forster and starred Ewan McGregor and Naomi Watts. His screenplay for The Kite Runner (2007), adapted from the novel of the same name, marked his second collaboration with director Marc Forster. He was hired in 2004 to write the screenplay for the X-Men spin-off X-Men Origins: Wolverine (2009), and worked on the script for three years.
In 2008, his second novel, City of Thieves was published. He is currently[when?] working on an adapted screenplay of the Charles R. Cross biography of Kurt Cobain. It is unknown if the screenplay has been developed. He is also working with D.B. Weiss as executive producer, showrunner and writer on Game of Thrones, HBO's adaptation of George R.R. Martin's A Song of Ice and Fire series of novels.
On April 10, 2014, Benioff announced he and D.B. Weiss had taken on their first feature film project to write, produce and direct Dirty White Boys, a novel by Pulitzer prize-winning author Stephen Hunter. 
On September 30, 2006, Benioff married actress Amanda Peet in New York City. Their first child, daughter Frances Pen, was born in 2007. Their second child, daughter Molly June, was born in 2010.
- Paperback: 224 pages
- Publisher: Plume; Reissue edition (January 29, 2002)
- Language: English
- ISBN 0-452-28295-0
When the Nines Roll Over (and Other Stories)
- 25th Hour (2002)
- Troy (2004)
- Stay (2005)
- The Kite Runner (2007)
- X-Men Origins: Wolverine (2009)
- Brothers (2009)
- Game of Thrones (30 episodes, 2011)
- Heavier Than Heaven (2010)
- Messer, Lesley (2006-09-30). "Amanda Peet Weds Screenwriter Beau - Marriage, Amanda Peet". People.com. Retrieved 2011-04-09.
- "Amanda Peet Has a Girl - Birth, Amanda Peet". People.com. 2007-02-23. Retrieved 2011-04-09.
- Jordan, Julie. "Amanda Peet Welcomes a Baby Girl - Babies, Amanda Peet". People.com. Retrieved 2011-04-09.
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