WILLIAM C. VAN FAASEN. Mr. Van Faasen has been a Director of IMS since June 1998. Mr. Van Faasen has served as Lead Director of IMS since February 2006. On December 31, 2007, Mr. Van Faasen retired from Blue Cross and Blue Shield of Massachusetts, a health insurance firm in Boston, Massachusetts, where he served as Chairman of the Board since July 2005. From February 2004 until July 2005, he served as Chairman and Chief Executive Officer; from March 2002 until February 2004, he was Chairman, President and Chief Executive Officer and from September 1992 until March 2002, he was President and Chief Executive Officer, of Blue Cross and Blue Shield of Massachusetts. Mr. Van Faasen is also a director of Liberty Mutual Insurance Company and NSTAR.Van Faasen holds an M.B.A. from Michigan State University and a B.S. from Hope College.