A long-time champion of keeping the Realtor at the center of the transaction, Joel Singer has been CEO of the California Association of Realtors since 1989 and has seen the organization through a myriad of housing markets while making it one of the most influential Realtor groups in the country. On top of representing more than 170,000 real estate professionals, Singer is president of CAR’s for-profit subsidiary, Real Estate Business Services Inc., and CEO of its real estate software company zipLogix.