He is the author of 50 articles and chapters on spiritual issues and mental health, one of which won the Exemplary Paper Award from the Templeton Foundation. He is co-author of the DSM-IV category, Religious or Spiritual Problem and lectures internationally on spirituality in mental health and mental illness. He trained in psychology and anthropology at the University of Chicago, Harvard, and Loyola University of Chicago, and has been a member of the factulties of harvard, UCLA, Oxnard College, California Institute of Integral Studies, and the Institute of Transpersonal Psychology.