Llewellyn Vaughan- -Lee, Ph.D., is a Sufi teacher and author. He has written a series of books giving a detailed exploration of the stages of spiritual and psychological transformation experienced on the Sufi path, with a particular focus on the use of dreamwork as inner guidance on the journey. Since 2000 the focus of his writing and teaching has been on spiritual ecology, the need for a spiritual response to our present ecological crisis (see Spiritual Ecology: The Cry of the Earth). He has been interviewed by Oprah Winfrey on Super Soul Sunday and featured on the Global Spirit series on PBS