John H. Austin, M.D. has been a director of the Company since January 1988. He served as Chairman of the Board from December 1995 to December 2004. Dr. Austin has been Chairman and Chief Executive Officer of Arcadian Management Services, Inc., a company that owns and manages rural health care provider networks and Medicare health maintenance organizations, since June 1997. From October 1994 through March 1997, he was President of the Professional Services Division of Unihealth, a voluntary non-profit health care network. From July 1992 to October 1994, Dr. Austin was a self-employed health care consultant and from 1987 to 1992 was Executive Vice President of Health Plan of America, a California HMO.