Rollin McCraty, Ph.D., Executive Vice President and Director of Research. Dr. Rollin McCraty has been with IHM since its inception in 1991. He worked with founder Doc Childre to formulate the organization’s research goals and create its Scientific Advisory Board. McCraty is a Fellow of the American Institute of Stress, holds memberships with the International Neurocardiology Network, American Autonomic Society, Pavlovian Society and Association for Applied Psychophysiology and Biofeedback and is an adjunct professor at Claremont Graduate University. He and his research team regularly participate in collaborative studies with other U.S. and international scientific, medical and educational institutions. McCraty is an internationally recognized authority on heart-rate variability, heart-rhythm coherence and the effects of positive and negative emotions on human psychophysiology. He is widely published in those and other research areas.