|Date of birth|
28 October 1969
|Place of birth|
San Juan, Puerto Rico
Javier is 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 SeaQuest DSV, The Pretender, Charmed, The Chronicle, The Dead Zone, and The Middleman.
In 2006, he left the Lost team, and began working as a co-executive producer for Medium.