Javier "Javi" Grillo-Marxuach ( ), born October 28, 1969 in San Juan, Puerto Rico, is a television screenwriter and producer, best known for his work as writer and producer on the first two seasons of the ABC television series Lost, though he has also written for a number of other series including Charmed and Law and Order: Special Victims Unit. He received a BA in 1991 from Carnegie Mellon and has an MFA from USC.
In 2006, he left the Lost team, and began working as a co-executive producer for Medium, as well entering the world of comics, with his own Viper Comics title, "The Middleman." He also wrote the Super-Skrull limited series for the Marvel Comics event, Annihilation, is currently at work on a follow-up, and is also writer of Dynamite Entertainment's four-issue limited series "Classic Battlestar Galactica: Cylon Apocalypse."
In 2008 the ABC Family picked up his television series The Middleman, for which he is the writer and producer.
