1993 - He became general counsel to Department of the Air Force.
1994-1998 - He became chairman of Equal Employment Opportunity Commission (EEOC).
1999 - President Clinton named Mr. Casellas as Co-Chair to the U.S. Census Monitoring Board on the 8th of June. The Census Monitoring Board was created as a bi-partisan board to observe and monitor all aspects of the preparation and implementation of the decennial census.