Philip Eisner is an American screenwriter best known for writing the screenplay for the 1997 science fiction/horror film Event Horizon, which was produced by Paramount and helmed by director Paul W.S. Anderson.
Eisner also wrote Firestarter 2: Rekindled for SCI FI (now known as Syfy, which was produced in 2002. In early 2005, Scott Rudin Productions acquired Eisner's supernatural thriller spec script Furious Angels.
Eisner cowrote the screenplay for The Mutant Chronicles, which was released in 2009 and stars Thomas Jane and John Malkovich. The film tells the tale of 23rd century soldiers battling so-called "NecroMutants."
He also teaches several screenwriting courses at the UCLA extension.