Michigan State University, East Lansing. PhD in Plant Pathology, 1978.
Michigan State University, East Lansing. MS in Plant Pathology, 1975.
Miami University, Oxford, Ohio. BA in Botany, 1973.
1999-present. Research Leader and Supervisory Research Plant Pathologist, USDA-ARS Root Disease and Biological Control Research Unit, Pullman, WA.
2005-present. Director, STEM Outreach Program, "Pumping-Up the Science Pipeline: Grade School to College."
May-November 2003. "Willie Commelin Scholten" Endowed Chair, Utrecht University, Faculty of Biology, Section of Phytopathology, Utrecht, The Netherlands.
September-December 2004 & 2005. OECD Research Fellow, Utrecht University, Faculty of Biology, Section of Phytopathology, Utrecht, The Netherlands.
1981-1999. Research Plant Pathologist, USDA-ARS Regional Cereal Disease Research Laboratory, Pullman, WA.
May-December 1983. Visiting Scientist, CSIRO-Division of Soils, Adelaide, Australia.
1979-1981. Research Microbiologist, USDA-ARS Regional Cereal Disease Research Laboratory, Pullman, WA.
American Phytopathological Society
American Society for Microbiology
Expertise and Scientific Interests:
Take-all decline and suppressive soil
Ecology of antibiotic-producing Pseudomonas spp.
Phenazine-1-carboxylic acid and 2, 4-diacetlyphloroglucinol production in the rhizosphere
Wheat rhizosphere microbial community
Updated December 2011