JUDITH HANSON LASATER, PhD, PT, holds a PhD in East-West psychology and a BS in physical therapy. She has taught yoga since 1971, is a co-founder of Yoga Journal, and the author of 11 books on yoga and related topics. She has taught yoga internationally and throughout the U.S. She is also a C-IAYT (certified yoga therapist) and an E-RYT-5000 (experienced registered yoga teacher).