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Mr. Knowling joined the Board as Chairman in February 2005. Mr. Knowling has served as Chief Executive Officer of Vercuity Solutions, Inc., a supplier of telecom expense management services, since April 2005. From January 2003 to 2005, Mr. Knowling served as Chief Executive Officer of the New York Leadership Academy at the New York City Board of Education. From 2001 to 2003, Mr. Knowling served as Chairman and Chief Executive Officer of SimDesk Technologies, a software development company. Mr. Knowling joined Covad Communications, a provider of Digital Subscriber Line (DSL) services to homes and small business customers, in July 1998 as chairman, president and chief executive officer, and served there until 2001. He serves on the board of directors for Ariba, Inc., Heidrick & Struggles International, Inc., and the Bartech Group. He is also a member of the advisory board for Northwestern University’s Kellogg Graduate School of Management. Mr. Knowling earned a Bachelor of Arts degree in theology from Wabash College and a Master of Business Administration degree from Northwestern University’s Kellogg Graduate School of Business. | 