Steven S. DeKnight is an American television screenwriter, producer, and director, best known for working on Smallville, Buffy the Vampire Slayer, and Angel. He has also written "Swell", a story in the Buffy the Vampire Slayer season eight comic series, and served as a consulting producer on Joss Whedon's television series Dollhouse. DeKnight is currently an executive producer and head writer of Starz series Spartacus: Blood and Sand.