Yoga Alliance
Yoga Alliance is a U.S.-based nonprofit membership trade and professional organization for yoga teachers. The organization is headquartered in Arlington, Virginia.
Registered Yoga Teacher, a title in the United States that designates a yoga teacher who has received a certain standard of yoga teacher training at a Registered Yoga School, is offered by the Yoga Alliance at the 200-, 300- and 500-hour levels. As of 2007, there were 9,940 yoga teachers who had met the criteria for registered teachers.
The Yoga Alliance states that its registry is a voluntary credentialing system. The teacher registry is not a certification program, but a listing of teachers who meet Yoga Alliance's Requirements for teaching experience and have completed their training at a Registered Yoga School.