Brouillette was thereafter Assistant Secretary for Congressional and Intergovernmental Affairs in the U.S. Department of Energy from 2001 to 2003 under former President George W. Bush, and was staff director for the House Energy and Commerce Committee from 2003 to 2004.
Brouillette was thereafter Assistant Secretary for Congressional and Intergovernmental Affairs in the U.S. Department of Energy from 2001 to 2003 under former President George W. Bush. He thereafter served as chief of staff under Rep. Billy Tauzin and was also staff director for the House Energy and Commerce Committee (of which Tauzin was the chairman) from 2003 to 2004.