Chairman and Chief Executive Officer. Blue Cross and Blue Shield of Massachusetts, Inc. Mr. Killingsworth has been the Chairman and Chief Executive Officer of Blue Cross and Blue Shield of Massachusetts, Inc. since January 1, 2008, and he served as its President and Chief Executive Officer from July 2005 to December 2007 and as its President and Chief Operating Officer from February 2004 to July 2005. From January 1998 to February 2004, Mr. Killingsworth served the Henry Ford Health System as its Senior Vice President of Insurance and Managed Care and as President and Chief Executive Officer of the Health Alliance Plan. Prior to January 1998, he held senior management positions with the Kaiser Foundation Health Plan, Blue Cross Blue Shield of Rochester, NY, Group Health Cooperative of Puget Sound, The American Hospital Association and the Hospital of the University of Pennsylvania. Mr. Killingsworth is currently a faculty member of the Harvard School of Public Health and serves on the Harvard Medical School Board of Fellows. In addition, Mr. Killingsworth is currently a member of the Board of Overseers of the Teachers Insurance and Annuity Association of America (TIAA) and the College Retirement Equities Fund (CREF).