CLAYTON MCWHORTER

Mr. McWhorter serves as Chairman of Clayton Associates, LLC, which he founded in January 1996 to provide venture capital to start-up companies. In 2008, McWhorter founded PharmMD, served as chairman, and currently serves on its board. Previously, in 1996, McWhorter created LifeTrust America, Inc., a developer and operator of assisted living communities, and served as its Chairman until its sale in November 2004.  Mr. McWhorter also participated in the formation of HealthTrust, Inc., in September 1987, and served as Chairman, President, and Chief Executive Officer until the HealthTrust merger with Columbia/HCA in April 1995.  From April 1995 to May 1996, Mr. McWhorter served as Chairman of the Board of Columbia/HCA Healthcare Corporation and remained a board member until May 2000.  McWhorter attended the University of Tennessee, Knoxville, pre-pharmacy, and earned his BS degree in pharmacy from Samford University.