Personal History of Ruben Diaz is unknown.
Ruben Diaz is a comic book writer and editor. He began his career in 1992 when DC Comics published Martian Manhunter: American Secrets #1. Most of his early works are colaborations with fellow editor Brian Augustyn. His latest work for DC is the DC Comics Presents: Justice League of America - Black Baptism #1. He is currently working for Marvel Comics.