Education 1993 Ph.D. Biology (Plant Physiology), Virginia Polytechnic Institute and State University 1990 M.S. Biology (Ecology), Virginia Polytechnic Institute and State University 1984 B.S. Horticulture, North Carolina State University Professional Experience 2002-- Racheff Chair of Excellence in Plant Molecular Genetics and Professor. Department of Plant Sciences at The University of Tennessee-Knoxville 1995-2002 Assistant & Associate Professor of Biology, University of North Carolina , Greensboro 1993-1995 Postdoctoral Associate, Plant Genetics, Department of Crop and Soil Sciences, The University of Georgia. Adjunct apointments The University of Tennessee, Department of Entomology and Plant Pathology The University of Georgia, Crop and Soil Sciences North Carolina State University, Crop Science UNC-Greensboro Nutrition Professional Societies American Association for the Advancement of Science American Society of Plant Biologists Botanical Society of America Ecological Society of America Society for In Vitro Biology International Society for Environmental Biotechnology Weed Science Society of America