David C. Colby serves as Manager of Ardent Health Services LLC. Mr. Colby served as Chief Financial Officer and Executive Vice President of Wellpoint Inc., since the merger of WHN with Wellpoint Inc. since November 2004 until May 31, 2007. Mr. Colby served as President of Wellpoint Holding Corp. a subsidiary of Wellchoice Inc. Mr. Colby served as Chief Financial Officer and Executive Vice President of WellPoint Health Networks Inc. since September 1997. Mr. Colby served ... as Chief Accounting Officer of Wellpoint Inc., since November 30, 2004. From July 1988 to March 1996, Mr. Colby served with Columbia/HCA Healthcare Corporation, most recently as Senior Vice President and Treasurer. From September 1983 until July 1988, Mr. Colby served as Senior Vice President and Chief Financial Officer of Methodist Hospital. From April 1996 until joining Wellpoint Health Networks Inc., Mr. Colby served as an Executive Vice President, Chief Financial Officer and Principal Accounting Officer of AMR, Inc. (formerly, American Medical Response, Inc.). Mr. Colby served as Vice Chairman of WellPoint Inc. until May 31, 2007. Mr. Colby serves as Director of Ardent Health Services LLC. Mr. Colby served as a Director of American Medical Response, Inc. since April 1996. Mr. Colby studied Bachelor of Arts degree in biophysics from Columbia University in 1975, a Master of Business Administration and Master of Health Administration from Tulane University in 1978 and 1979 respectively. Mr. Colby is a Certified Public Accountant.