Dr. Richard Gevirtz is a Distinguished Professor of Psychology for the California School of Professional Psychology at Alliant International University in San Diego. He has been in involved in research and clinical work in applied psychophysiology and biofeedback for the last 30 years and served as the president of the Association for Applied Psychophysiology and Biofeedback, 2006-2007. His primary research interests are in understanding the physiological and psychological mediators involved in disorders such as chronic muscle pain, fibromyalgia, and gastrointestinal pain. In this vein, he has studied applications of heart rate variability biofeedback for anxiety, pain, gastrointestinal, cardiac rehabilitation, and other disorders. He is the author of many journal articles and chapters on these topics. He also maintains a part time clinical practice treating patients with anxiety and stress related disorders.