Rick Caruso, CEO of nationwide diversified real estate company Caruso Affiliated Holdings , has been elected to fill the vacancy on the California Pizza Kitchen Board of Directors. Los Angeles based California Pizza Kitchen, founded in 1985, is a leading casual dining chain specializing in premium pizzas, pastas and salads. The chain operates, licenses or franchises 131 restaurants of which 99 are company owned, and 32 operate under franchise or license agreements.