UNIVERSITY OF WEST FLORIDA, Pensacola, Florida (1991 - present)
| Associate Professor of Microbiology | 2001 – present | Center for Environmental Diagnostics and Bioremediation (CEDB) and Department of Biology |
| Research Assistant Professor (CEDB) | 1991 – 2001 | Bioremediation of Oil Spills; Microbial Ecology; Environmental Microbiology of petroleum-hydrocarbon contaminated environments |
| Acting Director | 1997 – 1999 | Institute for Coastal and Estuarine Research, and Wetlands Research Laboratory |
| Laboratory Director & Technical Director Laboratory (WRL) | 2002 – present | Wetlands Research Laboratory (WRL), monitoring; ground- and surface- water quality, estuarine microbial ecology; indicators for ecosystem health |
THE UNIVERSITY OF MISSISSIPPI, University,
Mississippi (1990-1991)
Visiting Research Scientist, Department of Biology, Biodesulfurization
of Coal
ECOGEN INC., Langhorne, Pennsylvania (1987-1989)
Senior Research Scientist, Microbiology/Microbial Physiology
THE UNIVERSITY OF MISSISSIPPI, University, Mississippi (1980-1987)
Assistant Professor of Microbiology, Department of Biology
(tenured 1987)
ALLIED CORPORATION, Syracuse Research Laboratory, Solvay, New York (1984)
Visiting Scientist, Crop Science
UNIVERSITY OF HELSINKI, Department of Microbiology, Helsinki, Finland (1983)
| Organization for Economic Cooperative Development | Research Grantee |
| Fulbright Fellow | Research Grantee |
OREGON STATE UNIVERSITY, Corvallis, Oregon
(1979-1980)
Postdoctoral Research Associate, Laboratory for Nitrogen Fixation
Research, (Dr. Harold J. Evans, Director)
THE UNIVERSITY OF TEXAS, Austin, Texas (1973-1979)
| Assistant Instructor | 1977-1979 | Department of Microbiology (Laboratories of Drs. Orville Wyss and F. Robert Tabita) |
| Research Assistant | 1973-1977 | Department of Microbiology (Laboratories of Drs. Orville Wyss and F. Robert Tabita) |
MISSOURI WESTERN STATE UNIVERSITY,
St. Joseph, Missouri (1969-1972)
Assistant Professor, Department of Biology
American Society for Microbiology
Florida Association of Environmental Professionals, Northwest Chapter
Escambia County Citizen’s Environmental Committee (Representative of
County Administrator, Tom Forrest)
City of Pensacola, Environmental Advisory Board