Jaggi Vasudev, commonly called Sadhguru, is an Indian yogi and author of over 50 books in English, Tamil, Hindi, Kannada, and Telugu. Born Jagadish Vasudev in 1957 in Karnataka, India to a Kannada family, he began yogic practices at age 13. After a deep spiritual experience at age 25, he renounced all material prosperity and established the the Isha Foundation, with centers in India, the United States, the United Kingdom, Lebanon, Singapore, Canada, Malaysia, Uganda, China, Nepal, and Australia.