Dr. Buchanan is a Professor Emeritus of Food Safety in the University of Maryland Department of Nutrition and Food Science and was the first Director of the University's Center for Food Safety and Security Systems. He received his B.S., M.S., M.Phil, and Ph.D. degrees in Food Science from Rutgers University, and post-doctoral training in mycotoxicology at the University of Georgia.
He has had almost 50 years of experience teaching, conducting research in food safety, and working at the interface between science and public health policy, first in academia, then in government service in both USDA and FDA, and most recently at the University of Maryland. His scientific interests are diverse and include extensive experience in predictive microbiology, quantitative microbial risk assessment, microbial physiology, mycotoxicology, and food safety systems. He has published extensively on a wide range of subjects related to food safety and is one of the co-developers of the widely used USDA Pathogen Modeling Program.