Power Yoga Works is Yoga Alliance Registered Teaching School in Pennsylvania and is directed by Bill Raup. Bill has been certified by Baron Baptiste and holds the 500 ERYT designation from Yoga Alliance. Bill has also received astanga teacher certification from The Hard and Soft Astanga Yoga Institute In NYC. Beryl Bender Birch is the director of The Hard and Soft Astanga Yoga Institute. Classes are held days, nights, and weekends. The classes are designed for the beginner to the most advanced student. Call the Power Yoga Hotline at (215) 243-YOGA for more information and schedule of the classes. We also have a studio in Malvern at 81 Lancaster Ave , Malvern, PA 19355.