Sat Bir Singh Khalsa, Ph.D., the KRI Director of Research, received his doctorate in human physiology and neuroscience at the University of Toronto and has conducted research in neuroscience, biological rhythms, sleep and sleep disorders for more than 25 years. He has been involved in the practice of yoga for more than 35 years and is a KRI certified Kundalini Yoga. He is currently an Assistant Professor of Medicine at Harvard Medical School in the Division of Sleep Medicine at Brigham and Women's Hospital in Boston.

His current research is both basic and clinical and centers on the effectiveness of yoga and meditation practices; he is currently conducting clinical research trials evaluating a yoga treatment for insomnia funded by the National Center for Complementary and Alternative Medicine of the National Institutes of Health. In active collaboration with the Kripalu Center for Yoga and Health, he directs their research team and is involved in a current project that evaluates the benefits of yoga for professional musicians, among others. He has additional collaborations examining the role of yoga as a therapeutic treatment for conditions such as diabetes, stress, and cardiovascular disease.

Dr. Khalsa has established relationships with fellow yoga researchers in the US as well as in Europe and India, where he routinely attends and presents at international yoga research conferences. He also teaches Mind Body Medicine at Harvard Medical School, which provides medical students with direct exposure to Kundalini Yoga.