Sadhguru born Jagadish Vasudev, 3 September 1957 is the founder and head of the Isha Foundation, based in Coimbatore, India.  

The foundation, established in 1992, operates an ashram and yoga centre that carries out educational and spiritual activities.  

Sadhguru has been teaching yoga since 1982. He is the author of the New York Times bestsellers Inner Engineering: A Yogi's Guide to Joy and Karma 

A Yogi's Guide to Crafting Your Destiny, and a frequent speaker at international forums.

Sadhguru also advocates for protecting the environment against climate change, leading many initiatives like Project GreenHands (PGH), Rally for Rivers, Cauvery Calling, and the Journey to Save Soil. 

In 2017, he received the Padma Vibhushan, India's second-highest civilian award, for his contributions to spirituality and humanitarian services.  

Also in 2017, Sadhguru unveiled the Adiyogi Shiva statue, the world's largest bust, in Coimbatore, India.

His father was an ophthalmologist at the Mysuru Railway Hospital and his mother a homemaker. 

After completing his formal education, Vasudev was uninterested in post-secondary schooling. 

One year later, however, he enrolled at the University of Mysore, where he studied English literature.