Anne Carolyn Klein (Lama Rigzin Drolma) is an American Tibetologist who is a professor of Religious Studies at Rice University in Houston, Texas and co-founding director and resident teacher at Dawn Mountain, a Tibetan temple, community center and research institute.
She then met Geshe Wangyal in New Jersey in 1971, and began studying and practicing under Khetsun Sangpo Rinpoche of Kathmandu in 1973, and receiving teaching authorization from him in 1995, and the title of Dorje Lopon (Lama) from her teacher in Tibet, in 2010.
She has studied extensively with a number of Geluk and Dzogchen teachers in India, Nepal and the United States, including Lama Gonpo Tseten.
It was here that she began work on what became her book Meeting the Great Bliss Queen, putting the significance and symbolism of Yeshe Tsogyal, a female Buddha renowned throughout Tibet, in conversation with contemporary western and feminist concerns.
She was for over twenty years a member of the board of directors of Ligmincha Institute, an international community for the study and preservation of Bon founded by Geshe Tenzin Wangyal Rinpoche.