Dr. Sanford L. Severin is an internationally renowned physician and Assistant Professor at the University of California, San Francisco. He has lectured extensively throughout the world, having delivered several hundred invited lecture presentations. His lectures have been televised in Europe, and he has been featured twice on Dr. Dean Edell's syndicated medical television show. While serving in the Air Force at the Aerospace Medical Center in the 1960's, he worked extensively with the nation's first Apollo astronauts as part of a team evaluating their mental and physical fitness. He began a 20 year study of meditation in the 1970's and has continued this pursuit with Vapassana training with noted author and teacher, Steven Levine. Dr. Severin is a fitness enthusiast, former collegiate wrestler, and life-long student of Eastern philosophy.