1968-80: On staff of National Center for Air Pollution Control, then EPA
1980-83: On staff of Sen. Howard Baker, R-Tenn.
1983-85: Assistant administrator for external affairs, EPA
1985-86: Assistant vice president, American Paper Institute
1986-88: Senior vice president, Synthetic Organic Chemical Manufacturers Association
1988-91: Senior vice president, Hill & Knowlton Worldwide
1991-92: Founder and director, Capitoline International Group
1992-99: Vice president, American Forest and Paper Association