2018 - Now |
Mars Sample Return Sterilization Planning group |
Jet Propulsion Lab/NASA |
2007 - Now |
Professor of Biophysics |
Siena College |
1998 - 2007 |
Dean of Science/Professor, Physics |
Siena College |
1992 - 1998 |
President |
Ultraviolet Consultants |
1987 - 1992 |
Department Head, Physics/Astronomy |
Western Kentucky University |
1985 - 1985 |
Summer Faculty, , NASA/Jet Propulsion Lab |
California Institute of Technology |
1982 - 1982 |
Brookhaven National Laboratory, Visiting Scientist |
National Synchrotron Light Source |
1978 - 1979 |
Visiting Professor, Biophysics |
The Pennsylvania State University |
1972 - 1992 |
Professor, Biophysics |
WKU |
1969 - 1969 |
Investigator |
Woods Hole Marine Biology Lab |
1968 - 1972 |
Assistant Research Professor, Cell Biology |
University of Pittsburgh |