Yoga Alliance is a nonprofit organization that sets standards for yoga teacher training programs and promotes the practice of yoga worldwide. Founded in 1999, it aims to ensure that yoga teachers are well-trained and knowledgeable, helping to maintain the integrity of yoga as a discipline. The organization offers a registry for yoga schools and teachers, allowing them to be recognized for meeting specific educational criteria. By providing resources and support, Yoga Alliance helps foster a community of yoga practitioners and educators dedicated to safe and effective teaching practices.