Sadhguru is an Indian yogi & author, whose full name is Jagdish Vasudev. He is venerated as Sadhguru. He is very popular Yoga teacher and preacher. He preaches in various countries, various languages and various platforms. He also has a YouTube channel by the same name. On watching his videos on YouTube, one may learn he is a totally different kind of personality. What he tells to the world is not new, but differently put old concepts and beliefs. He believes in calmness of mind and body. 

He also owns a non-profit organisation named Isha Foundation, which is spirituality guided by him.