Authentic Yoga Teachers and Schools. Yoga Alliance International (YAI) is a network of dedicated, like-minded people and institutions devoted to the cause of authentic Yoga. Get the latest information about Authentic Yoga Teachers in Europe and other parts of the world. Gain insights into Yoga and find out where you can learn authentic Yoga to apply Yogic techniques to the complex problems faced by modern man. Connect with Yoga Teachers from across traditions. For Local Yoga Education Providers, our Certification and network works as a powerful tool to state their Authenticity and for connecting with more students.