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Dorrance W. Lamb has served as Senior Vice President and Chief Financial Officer since November 2005, and served as Chief Financial Officer of the Company since April 1995. From August 1992 to October 2005 he held the position of Vice President of Finance. Prior to joining the Company, he was Senior Vice President for Finance and Administration at Infodata Systems, Inc. based in Fairfax , Virginia . Mr. Lamb is a certified public accountant and holds a BS in accounting from Benjamin Franklin University . | 