Dr. Hackney’s research focus is on endocrine and metabolic responses to physical stress (e.g., exercise). He directed research for the Department of Defense into the human endocrine and metabolic adaptations associated with chronic cold exposure in humans. He conducts research on how reproductive steroid hormones are modulated by the stress of physical exercise. He is the author of more than 100 publications in the exercise physiology and endocrinology area. Dr. Hackney teaches undergraduate and graduate courses in basic human physiology and exercise physiology. He lectures in the medical school on biochemistry and endocrinology. Dr. Hackney is a member of Sigma Xi, American College of Sports Medicine, Southeast American College of Sports Medicine and Triangle Consortium for Reproductive Biology. Currently, he is an external reviewer for the U.S. Department of Agriculture, Human Nutrition division, the National Academy of Sciences-Institute of Medicine and the U.S. Army, Department of Defense. Dr. Hackney is a two time recipient of Fulbright Scholar awards, one in Medical Sciences (in Lithuania) and one in Public Health (in Poland). He currently serves as the Assistant Chairman of the Department of Exercise & Sport Science.