Sarah Harding has been a Tibetan Buddhist translator and practitioner since 1974. She is the author of The Life and Revelations of Pema Lingpa. She has served since 1992 as a faculty member at Naropa University in Boulder, Colorado.
Khenchen Thrangu Rinpoche is a senior scholar within the Kagyu tradition of Tibetan Buddhism and the author of many books and commentaries. He was born in Kham, Tibet, in 1933 and entered Thrangu Monastery at age seven. He serves as the main tutor to His Holiness the Seventeenth Karmapa and travels worldwide giving teachings and leading retreats. Based in Nepal and India, he is also abbot of Gampo Abbey in Nova Scotia and founder of Vajra Vidya Retreat Center in Crestone, Colorado.