*Governor of Pennsylvania (1995-2001).
*Office of Homeland Security (October 18, 2001).
*Appointed to National Red Cross Governance Board by President [[George Walker Bush]] (April 17, 2003). <ref>[http://www.redcross.org/press/disaster/ds_pr/030417ridge.html"Homeland Security Secretary Tom Ridge Appointed by President Bush to American Red Cross Board of Governors"], Media Release, April 17, 2003.</ref>
==Other affiliations==