"In the yogic culture, Shiva is not known as a god, but as the Adiyogi or the first yogi – the originator of yoga. He was the one who first put this seed into the human mind. According to the yogic lore, over fifteen thousand years ago, Shiva attained to his full enlightenment and abandoned himself in an intense ecstatic dance upon the Himalayas. "
His first disciples were "seven celebrated sages who are today known as the Saptarishis, and are worshipped and admired in Indian culture. Shiva put different aspects of yoga into each of these seven people, and these aspects became the seven basic forms of yoga.
The Saptarishis were sent in seven different directions to different parts of the world to carry this dimension with which a human being can evolve beyond his present limitations and compulsions. They became the limbs of Shiva, taking the knowing and technology of how a human being can exist here as the Creator himself, to the world.
Whatever dimension of existence you are in right now, you can go beyond that – there is another way to live. He said, "You can evolve beyond your present limitations if you do the necessary work upon yourself." That is the significance of the Adiyogi." (Sadhguru "Adiyogi —the First Yogi")
Sadhguru (Jaggi Vasudev) is a founder of Isha foundation and Isha Hatha yoga school. He is a realized master, yogi, mystic and visionary. Sadhguru is profound mystic of our times, is a visionary humanitarian and a prominent spiritual leader. A contemporary Guru, rooted as strongly in mundane and pragmatic matters as he is in inner experience and wisdom, Sadhguru works tirelessly towards the physical, mental, and spiritual well-being of all. His mastery of the mechanisms of life, an outcome of his profound experience of the Self, guides in exploring the subtler dimensions of life.
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Considered among India's 50 most influential people, Sadhguru is a yogi, mystic, bestselling author and poet. Absolute clarity of perception places him in a unique space, not only in matters spiritual but in business, environmental and international affairs, and opens a new door on all that he touches. Probing and passionate, insightful, logical and unfailingly witty, Sadhguru's talks have earned him the reputation of a speaker and opinion-maker of international renown. He has been a lead speaker at the United Nations General Assembly, a regular at the World Economic Forum, and a special invitee at the Australian Leadership Retreat, Indian Economic Summit and TED. He has been conferred the Padma Vibhushan by the Government of India in 2017, the highest annual, civilian award, accorded for exceptional and distinguished service. His astute and incisive grasp of world affairs, as well as his unerringly scientific approach to human wellbeing have had a transformative influence at establishments such as the World Bank, House of Lords (UK), the World Presidents' Organization, the Massachusetts Institute of Technology, the London Business School, Google, and Microsoft, to name a few.With a celebratory engagement with life on all levels, Sadhguru's areas of active involvement encompass fields as diverse as architecture and visual design, poetry and painting, aviation and driving, ecology and horticulture, sports and music. Sadhguru has initiated Rally For Rivers, a nationwide campaign to revitalize India's severely depleted rivers, which has found great support among India's people and leadership. Sadhguru is also the founder of Isha Foundation, a non-profit organization dedicated to the wellbeing of the individual and the world for the past three decades. Isha's social outreach activities support the education of over 150,000 rural children, have facilitated the planting of over 33 million trees, and include healthcare and community revitalization in 4600 villages to over 4.2 million people. The foundation's work is supported by 3 million full-time and part-time volunteers in 250 centers around the globe.
The Isha Hatha yoga school, founded by Sadhguru, is designed to revive the ancient but still relevant science of hatha yoga. The Isha Hatha yoga programs have been passed by millions of people around the world, including India, Great Britain, Singapore, Australia, China, Canada, United States and Russia.

Few words about Isha-Hatha-yoga. The way we learn is the way we teach: