Sean Keller is WGA screenwriter with more than 20 years of professional experience writing horror, science-fiction, and thrillers for Blumhouse, Hulu, ABC, SyFy, Lionsgate and more. Keller has written for horror legends Dario Argento, John Carpenter, and Chelsea Stardust, and has written dialog for Academy Award winners Nicolas Cage, Anthony Hopkins, and Adrien Brody.

In addition to screenwriting, Keller is a professor, a producer, a songwriter, and a working actor who got his start as Roger in the 1st National Tour of Rent.

As a songwriter, Keller wrote the book, lyrics & music for the Finge Fest hit Slashed! The Musical!, placed original songs in the feature films Halloween Kills, Halloween Ends, and It's A Wonderful Knife, and is the creator of the Killer Sounds of Halloween album series. He performs as one half of the alt-country duo Sun Season.