Dr. Deen is a  Professor Emeritus at the College of Veterinary Medicine, University of Minnesota.  His work in research, teaching and extension has been in epidemiology and economics, especially in populations of swine. He has focused on measurement and optimization across competing needs in animal agriculture and human flourishing. Previously, John was on faculty at North Carolina State University and in swine practice in Ontario.  Dr. Deen earned his DVM and PhD from the University of Guelph and gained board certification in the American College of Veterinary Practitioners and the American College of Animal Welfare.