particularly focused on DOT's response to the terrorist attacks, including standing up the new Transportation Security Administration and management of recovery efforts for the nation's aviation industry. He served as a member of the board of directors of Amtrak and was chairman of its audit committee. In 2004, Jackson was appointed to serve on the President's Commission on Implementation of United States Space Exploration Policy, which provided management recommendations to the President on NASA and its future mission management. In addition to holding three positions during the tenure of George W. Bush, Jackson also held positions for two earlier presidents. In the administration of President George H. W. Bush, he served at the White House as special assistant to the President for Cabinet liaison and later as chief of staff to the Secretary of Transportation. He held several positions reporting to the Secretary of Education in the administration of President Ronald Reagan. References External links Living people United States Department of Homeland Security officials United States Department of Transportation officials George W. Bush administration personnel Georgetown University alumni University of Houston alumni 1954 births American chief operating officers United States Deputy Secretaries of Homeland Security United States Deputy Secretaries of Transportation