Elizabeth Callahan began her contemplative training and Tibetan studies in 1977, and completed two three-year retreats at Kagyu Thubten Chöling, New York, under the direction of Kalu Rinpoche. She is a student of Khenpo Tsültrim Gyamtso Rinpoche, and has translated key texts of the Karma Kagyu tradition, including Mahamudra: Ocean of Definitive Meaning, Profound Inner Principles, and, most recently, Moonbeams of Mahamudra. She has been a Tsadra Foundation Fellow since 2002 and is the director of the Tsadra Foundation Studies Scholarship Program.