- B.S., University of Nebraska, 1962. Major: Agriculture, Minor: Zoology
- M.S., University of Nebraska, 1964. Major: Entomology
- Ph.D., Kansas State University, 1967. Major: Entomology
Published more than 170 refereed journal articles, 12 books, 37 book chapters, 144 newsletter articles and reports, 11 training modules, 45 YouTube movies documenting agricultural development in Africa and Central America, and 19 student theses/dissertations as mentor.
An entomologist with expertise in integrated pest management (IPM). Research focus has been on the integration of resistant crop varieties with other control tactics in pest management systems with emphasis on rice. Work experience in many countries with long-term experience in agricultural development programs in Asia, South America and Africa. Extensive experience working on multidisciplinary teams involving sociologists, plant breeders, soil scientists, agronomists, economists, plant pathologists, weed scientists, entomologists, and nematologists. IPM experience involves cooperation with international agencies including USAID, World Bank, African Development Bank, and International Agricultural Centers (IARCs) of the CGIAR.
Administrative experience includes: Head of IRRI's Department of Entomology in the Philippines; Head of the Department of Entomology at Louisiana State University; Program Leader at WARDA in Côte d'Ivoire; Program Director of the IPM CRSP at VA Tech; Asia Program Leader, Feed the Future IPM Innovation Lab, VA Tech; Fulbright Fellow, UNISINOS, Sao Leopoldo, Brazil, 2008-2009; Professor on the faculties of four universities in the United States and the Philippines; Secretary General, International Association for the Plant Protection Sciences (IAPPS), 2003-present.