Microbial ecology, subsurface microbiology, geomicrobiology, coupling of microbial rates and processes to physical and chemical parameters in the environment, sensing and monitoring of microbes, methods for sampling the earth’s subsurface for microorganisms, bioremediation.
1986 Ph.D., Microbiology, Virginia Tech
1982 M.S., Microbiology, Northern Arizona University
1977 B.A., Biology, Whitman College