
	Mark E. Shamber has served as Senior Vice President, Chief Financial Officer and Treasurer since October 2006. Mr. Shamber previously served as our Chief Accounting Officer and Acting Chief Financial Officer and Treasurer from January 2006 until October 2006, as Vice President since August 2005 and as our Corporate Controller from June 2003 until October 2006. From February 1995 until June 2003, Mr. Shamber served in various positions of increasing responsibility up to and including senior manager within the assurance and advisory business systems practice at the international accounting firm of Ernst &amp; Young LLP.
