Steve Ruffner More about Steve Ruffner Steve Ruffner has been president of KB Home’s Southern California division since 2003. Having been with KB Home over 20 years, he is a prominent, well-respected leader in the California homebuilding industry and currently runs the company’s largest geographic division in both the state and the company. Ruffner oversees all the division’s operations, including land acquisition, construction, purchasing, customer service, sales, marketing, and finance across four counties, including San Bernardino, Riverside, Orange, and San Diego.