The Willa Cather Professor of Molecular Nutrition at the University of Nebraska-Lincoln. Director of the Nebraska Gateway to Nutrigenomics. Funded by NIH and NIFA/USDA. Member of AAAS, American Society for Nutrition, American Society of Physiology, Society for Experiemental Biology and Medicine, Sigma Xi, and Gamma Sigma Delta. Research interest in nutritional epigenetics, gene regulation, cell differentiation, and genome stability.