Shawn Piller is a principal and executive producer at Piller/Segan, an independent content production company.
In 1999, Piller partnered with his father, Michael Piller, to form Piller², an independent production company headquartered in Hollywood, California. After Michael's death in 2005, the company merged with producer Lloyd Segan's indie company The Segan Company to become The Piller-Segan Company. The latest addition to the company and now third partner was Shepherd and the company became known as Piller/Segan/Shepherd.
In 2000, Piller co-wrote and co-produced Day One, a science fiction pilot for The WB Network. He has also written episodes of Star Trek: The Next Generation and Star Trek: Voyager. He has been involved with the development of numerous pilot scripts under his deals with The WB, Granada Entertainment and Paramount Pictures.
In 2001, Segan approached the Pillers to develop a television series from Stephen King's novel The Dead Zone. The series starred Anthony Michael Hall and ran from 2002–2008 on the USA Network. In 2005, Wildfire debuted on the ABC Family channel, starring Deep Space Nine's Nana Visitor. The fourth and final season of Wildfire premiered in early 2008. Greek debuted in the summer of 2007 and became the longest-running series on ABC Family.
Currently, he is Executive Producing Global's series Private Eyes and has directed one episode of the series in the first season, and is directing more in season two, which is currently in production. 
Piller's father, the late writer-producer Michael Piller, was the executive producer of Star Trek: The Next Generation, the co-creator and executive producer of Star Trek: Deep Space Nine and Star Trek: Voyager, and the co-creator and executive producer of UPN's Legend, as well as The Dead Zone and Wildfire.
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She was previously married to Hollywood producer Shawn Piller from 2004 to 2007.