Sat Bir Singh Khalsa, PhD 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 over 35 years. He has also been personally involved in the practice of a yoga lifestyle since 1971 and is a certified Kundalini Yoga instructor. He is currently the Director of Research for the Kundalini Research Institute, an Assistant Professor of Medicine at Harvard Medical Medical School at Brigham and Women’s Hospital, and Research Associate at the Benson Henry Institute for Mind Body Medicine. As a full-time yoga researcher, he has conducted clinical research trials evaluating the efficacy of yoga treatment for insomnia, stress, anxiety disorders, and mental health in public schools. Dr. Khalsa collaborates with fellow yoga researchers internationally, routinely participates in yoga research conferences, and actively works with the International Association of Yoga Therapists to promote research on yoga therapy, including coordination of the annual Symposium on Yoga Research. He is the author of the Harvard Medical School ebook entitled Your Brain on Yoga, and since 2005 he has also been teaching an elective course at Harvard Medical School in mind body medicine.