John Samuel Hagelin is the leader of the Transcendental Meditation (TM) movement in the United States. He is president of Maharishi International University (MIU) in Fairfield, Iowa, and honorary chair of its board of trustees. The university was established in 1973 by the TM movement's founder, Maharishi Mahesh Yogi, to deliver a "consciousness-based education".

The Transcendental Meditation movement (TM) are programs and organizations that promote the Transcendental Meditation technique founded by Maharishi Mahesh Yogi in India in the 1950s. The organization was estimated to have 900,000 participants in 1977, a million by the 1980s, and 5 million in more recent years.