 President Jimmy Carter appointed her Director of OSHA, and she served through his administration, between 1977 and 1981.During her administration of OSHA notable regulatory activity included revised occupational lead exposure standard and promulgation of regulations on workers' "right to know" about workplace hazards.She later served as Vice President and University Dean for Graduate Studies and Research at the University of Cincinnati (1982–1990), and as a distinguished professor of environmental health at the University of Cincinnati.