Charles is registered with the Yoga Alliance as an E-RYT-500 hr and certified as a Yoga Therapist as a C-IAYT. He has practiced yoga for 45 years. In 1989 he founded Expanding Paradigms through which he began teaching yoga full time, publishing a newsletter, and presenting at Regional, National and International Conferences. In addition to his regular public yoga classes, Charles has extensive experience integrating yoga into hospitals, corporations, universities, and government agencies. Charles is the founder of www.yogateacher.com and has written articles for a variety of magazines including the Yoga Journal and contributed to several books on Yoga. He offers workshops at yoga studios around the country and since 1982 he has been leading retreats around the world. He currently offers four Yoga & Writing retreats, and six Yoga and Meditation retreats each year in Texas, Massachusetts, Mexico and Guatemala. Most recently Charles presented and taught at the International Association of Yoga Therapists' Symposium on Yoga Therapy and Research. Charles is co-founder and instructor with the Living Yoga Teacher Training Program and co-founder of the Texas Yoga Retreat.