Jason Keller was born on December 12, 1968 in Indianapolis, Indiana. Keller began his screenwriting career by writing Marc Forster's film Machine Gun Preacher, which was released by Relativity Media in 2011. Keller has gone on to write Tarsem Singh's film Mirror Mirror, starring Julia Roberts, as well as Mikael Håfström's 2013 action film Escape Plan, starring Arnold Schwarzenegger and Sylvester Stallone. He is also the executive producer of the fifth sequel in the Die Hard franchise, A Good Day to Die Hard, starring Bruce Willis.

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