Bachelor of Science, Georgetown College, 1971. Master of Science, Ohio University, 1974. Doctor of Philosophy, University Cincinnati, 1989.
Teacher, Cincinnati, 1974-1979. Research microbiologist United States Environmental Protection Agency, since 1979. Chairman Joint Task Group Standards Methods American Public Health Association, since 1990.
Research grant referee Natural Sciences & Engineering Council Canada, United States Geological Survey.
Member American Society for Microbiology, American Water Works Association, Sigma Xi Scientific Research Society.
Married Treva Kay Cox, November 18, 1978. Children: Rachel Kay, Rebecca May, Hannah Ray.