Lama Drupgyu Tenzin (Anthony Chapman), a student of Kalu Rinpoche since 1972 and a monk from 1974 to 1995, participated in the first traditional three-year retreat for Westerners conducted completely in Tibetan, from 1976 to 1980, in France. He participated for six years in the translation of Jamgon Kongtrul’s Treasury of Knowledge. In 2000, Lama Drupgyu assisted in the establishment of Tsadra Foundation, a nonprofit that supports development of Vajrayana in the West, and is currently Vice President.