Diane Ruggiero is a writer.
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 . Veronica Mars is a 2014 American neo-noir mystery comedy-drama film produced and directed by Rob Thomas , who co-wrote the script with Diane Ruggiero .