Dzigar Kongtrül grew up in a monastic environment and received extensive training in all aspects of Buddhist doctrine. In 1989, he moved to the United States with his family and in 1990, he began a five-year tenure as a professor of Buddhist philosophy at Naropa University. He also founded Mangala Shri Bhuti, his own teaching organization, during this period. He has established a mountain retreat center, Longchen Jigme Samten Ling, in southern Colorado. When not guiding students in long-term retreats and not in retreat himself, Rinpoche travels widely throughout the world teaching and furthering his own education.
Matthieu Ricard is a former scientist who gave up that life to become a Tibetan Buddhist monk. He is the Dalai Lama's interpreter in French, has translated numerous Buddhist texts, and is the author of The Quantum and the Lotus, Journey to Enlightenment, and, with Jean-François Revel, The Monk and the Philosopher.
Pema Chödrön is an American Buddhist nun in the lineage of Chögyam Trungpa. She is resident teacher at Gampo Abbey in Nova Scotia, the first Tibetan monastery in North America established for Westerners. She is the author of many books and audiobooks, including the best-selling When Things Fall Apart and Don't Bite the Hook.