Ronald A. Williams

Former Chairman and Chief Executive Officer, Aetna. Mr. Williams has served as Chairman and Chief Executive Officer of RW2 Enterprises, LLC (consulting) since May 2011. Mr. Williams served as Chairman of Aetna Inc. (managed care and health insurance) from October 2006 to April 2011, having previously served as Chief Executive Officer from February 2006 to November 2010, President from May 2002 to July 2007 and Executive Vice President and Chief of Health Operations from March 2001 to May 2002. Following his retirement in April 2011, he provided consulting services to Aetna until February 2012. Mr. Williams also serves on the boards of American Express Company and Johnson & Johnson.