Joseph A. Charlson

Senior Vice President of Strategic Operations

Joseph A. Charlson, age 38, has served as our Senior Vice President of Strategic Operations since October 2008. From August 2005 until October 2008, he served as our Senior Vice President and Chief Marketing Officer. From February 2005 until August 2005, Mr. Charlson served as our Senior Vice President of Strategic Marketing. Prior to joining us, Mr. Charlson was a Strategy Lead and then Senior Manager — Pharmacy at Target Corporation from July 2003 through February 2005, a management consultant with McKinsey & Company from August 2001 through July 2003 and President of United States Building Technology Inc. from January 1997 through January 2001.