C.A.R. Executive Vice President Joel Singer has held the Association's top staff position since November 1989 after serving as C.A.R.'s chief economist and heading the Association's public affairs department. Singer was instrumental in developing Real Estate Business Services Inc. (REBS), C.A.R.'s for-profit subsidiary, and serves as its president. He also is president and chief executive officer of zipLogix. Singer joined C.A.R. in 1978.