... From May until December 2003, Kupfer was detailed to the White House, where he served as a Special Assistant in the office of Chief of Staff Andrew Card ...
http://www.ustreas.gov/organization/bios/kupfer-e.htmlFebruary 23, 2005 JS-2272 Tax Panel Staff Announced
WASHINGTON, DC – Jeffrey Kupfer, executive director of the President's Advisory Panel on Federal Tax Reform, today announced three new members of the Tax Panel staff ...
http://www.ustreas.gov/press/releases/js2272.htmOn April, 2, 2008, President George W. Bush nominated Jeffrey F. Kupfer as Deputy Secretary of Energy ... In 2003, Mr. Kupfer handled a temporary assignment as a Special Assistant to President Bush’s Chief of Staff ...
http://www.energy.gov/organization/Jeff_Kupfer.htm