Roger Cole, Ph.D. is a certified Iyengar yoga teacher trained at the Iyengar Yoga Institutes in San Francisco and Pune, India. He has practiced yoga since 1975 and taught since 1980. He has been featured in five of Yoga Journal's asana calendars, co-organized two Iyengar yoga conventions, authored articles on yoga biology and therapeutics, and taught yoga as a healing art to physicians, physical therapists, medical students and patients. He currently teaches at Yoga Del Mar near San Diego and conducts workshops throughout the U.S. and abroad. His specialties include teacher training and the anatomy and physiology of yoga and relaxation.