John Campbell, Ph.D., has been practicing Ashtanga Yoga for the past 30 years. He studied directly with Pattabhi Jois from 1992 until his passing in 2009 and was Certified by his late teacher in 2002. A scholar of Sanskrit, he is co-founder of the Contemplative Sciences Center at the University of Virginia, where he served as professor until 2017 before joining the Asian Legacy Library.