- 1984--...
- Honors Program, University of South Florida,
Tampa FL 33620
- 1989--...
- Professor, Physical Science
- 1984--1986
- Associate Professor, Physical Science
- 1980--1987
- Center for Mathematical Services, University of
South Florida, Tampa FL 33620
- 1987
- Instructor, USF-Pinellas County Math and Science Program
- 1985
- Instructor, USF-Pinellas County Math and Science Program
- 1980--1983
- Instructor, USF-Hillsborough County Math and Science Program
- 1979--1983
- Mentor for gifted secondary students
- 1987
- Hillsborough County Board of Education, Tampa FL 33601
Professor, Inservice Institute in Astronomy
- 1984
- Thacher School, Ojai CA 93023
Associate Academic Director, Summer Science Program
- 1966--1967
- Connecticut College, New London CT 06320,
Instructor, Astronomy
Carol Williams