Diane Ruggiero is a writer.
Betty and Veronica (Veronica Mars) . Written by Diane Ruggiero and directed by Michael Fields , the episode premiered on UPN on March 29 , 2005 . Diane Ruggiero . Her credits include That 's Life , Veronica Mars , Free Agents , Dirty Sexy Money , Big Shots , the Mythological X remake The Ex List and iZombie , which she co-created with Rob Thomas . With Thomas , she also co-wrote the script for the Veronica Mars film . While she was living in North Arlington , New Jersey , Ruggiero 's writing talent was discovered by Mark St. Germain while she worked as a waitress at the Park and Orchard restaurant in East Rutherford , New Jersey .