Andrew S. Walton has served as Executive Vice President, Strategic Planning and Chief Information Officer since January 1, 2007. Mr. Walton is responsible for the Company’s information technology and client connectivity operations and also oversees the Company’s Strategic Planning department. He is a member of the Executive Committee of the Company. Mr. Walton previously held the positions of Senior Vice President and Chief Information Officer from May 2006 to December 2006 and Vice President, Strategic Planning and Corporate Development from April 2005 to May 2006. Prior to joining the Company in 2005, Mr. Walton was a partner at Subsidium Health Advisors, a healthcare consultancy, from 2002 to 2005.