- Ph.D. 1997, Food Science and Technology, University of Nebraska-Lincoln
- M.S. 1992, Food Science and Human Nutrition, University of Missouri
- B.S. 1989, Food Science and Technology, Korea University, Seoul, Korea
- Chemical food safety and toxicology with emphasis on mold and mycotoxins; Effects of processing on chemical and toxicological properties of mycotoxins; Development of food safety education program for at-risk/hard-to-reach population including the Deaf and hard of hearing; Environmental factors affecting diabetes and its management.