PROFESSIONAL AFFILIATIONS
- American Association for the Advancement of Science
- American Phytopathological Society
- Ecological Society of America
- Organization of Nematologists of Tropical America
- Society of Nematologists
- Union of Concerned Scientists
- International Society for Organic Agriculture Research
COMMITTEES AND PROFESSIONAL SERVICE
- American Phytopathological Society Potomac Division. Treasurer, 2000-2003.
- American Phytopathological Society Plant Health & Environmental Quality Committee. 1999-2001.
- American Phytopathological Society Nematology Committee (Past Chair).
- Society of Nematologists Ecology Committee (Past Chair).
- Society of Nematologists Education Committee.
- NE-133 Regional Nematology Research Technical Committee (Past Chair).
- Associate Editor, Journal of Nematology 1988-89, reappointed 1992-1993.
- Reviewer for: Phytopathology, Plant Disease, Nematropica.
- USDA National Research Initiative Technical Review Panel, Methyl Bromide Alternatives. 2000.
- West Virginia Dept. of Agriculture Cooperative Agricultural Pest Survey Committee.
- West Virginia University Ad Hoc Polystyrene Advisory Committee.
- Mountatin State Organic Growers and Buyers Association. Certification Technical Committee
- Numerous Departmental and College Committees.