Drew Z. Greenberg is an American television producer and writer. He is best known for his work on several popular television series, including Buffy the Vampire Slayer, Smallville, The O.C., Dexter, Warehouse 13, Arrow, and Agents of S.H.I.E.L.D. His contributions to the world of entertainment extend to the comic book industry, where he has penned stories for titles such as Green Arrow and the Buffy the Vampire Slayer comics series.