Paul Emerson PhD. began his practice of hatha yoga in 1969 and started teaching in 1975 through the Meditation Center in Minneapolis-MN at the behest of Swami Veda Bharati. Having spent 8 years in the Physiology department during his graduate studies, he currently holds a Ph.D. in Mechanical Engineering from the University of Minnesota where he also teaches part time. Paul has worked in various positions as a research scientist, a manager of clinical research with a major biomedical company and a software engineer. He holds patents on breath sensor applications in pacemakers and ventilators and has a special interest in the application of breath in behavioral medicine.