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Overview
February 2008 to February 2011
U.S. Department of Energy
May 2006 to August 2008
U.S. Department of Commerce
February 2005 to February 2009
U.S. Securities and Exchange Commission
March 2004 to May 2006
U.S. Department of Commerce
October 2001 to October 2003
U.S. Department of Agriculture
March 2000 to October 2001
D.C. Lottery Board
March 2000 to September 2000
U.S. Department of Health and Human Services
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