Dr. James K. Drackley is an Emeritus Professor at the University of Illinois Urbana Champaign. Dr. Drackley works extensively with dairy and feed industry groups around the world to improve the health and productivity of dairy cattle. He focuses much of his nutrition and metabolism research on the transition period from pregnancy to lactation in cows and the transition from milk-feeding to solid feed intake in calves. Dr. Drackley earned his Ph.D. from Iowa State University and Master of Science and Bachelor of Science degrees from South Dakota State University.