Complex sentence: She lectures and writes on Tibetan Buddhism, women and Buddhism, Buddhist-Christian dialogue, and American Buddhism, and is an Acharya (senior dharma teacher) in the Shambhala Buddhist tradition and a senior student of Chogyam Trungpa Rinpoche.
Split into simpler sentences: She lectures and writes on Tibetan Buddhism, women and Buddhism, Buddhist-Christian dialogue, and American Buddhism. She is an Acharya--a senior Buddhist teacher--in the Shambhala Buddhist tradition and was a senior student of Chögyam Trungpa Rinpoche.