Andrew B. Newberg is Director of Research at the Marcus Institute of Integrative Health and Professor of the Department of Integrative Medicine and Nutritional Sciences at Thomas Jefferson University. Dr. Newberg has studied mystical and religious experiences throughout his career, in addition to using neuroimaging studies in evaluation of neurological and psychiatric disorders. He is considered a pioneer in the field of neurotheology, which seeks to link neuroscience with religious and spiritual experience. He has published over two hundred articles, essays, and book chapters. He is the author or co-author of ten books including the bestselling, 'How God Changes Your Brain' (Ballantine, 2009), and 'Why God Won't Go Away' (Ballantine, 2001). He has presented his work at scientific and religious meetings throughout the world and has appeared on 'Good Morning America, ' 'Nightline, ' ABC's 'World News Tonight, ' 'Book TV, ' 'Fresh Air, ' London Talk Radio, the Discovery Channel, the National Geographic Channel, the BBC, National Public Radio, and the nationally distributed movies, 'What the Bleep Do We Know?' and Bill Maher's movie 'Religulous.' His work has been written about in the 'Los Angeles Times, ' 'Time, ' 'Newsweek, Discover Magazine, ' 'Reader's Digest, ' 'The Washington Post, ' and 'The New York Times.' Sr. Mary Clare Smith is a licensed psychologist and Sister of Notre Dame. She holds a PhD in counseling psychology from Cleveland State University and a master's in religious education from the University of St. Thomas (Angelicum, Rome) through the Notre Dame Catechetical Institute, Virginia. She has served as a parish Director of Religious Education and taught graduate and undergraduate courses in religious studies, theology, comparative religions/philosophy, and psychology. She has served as a psychologist and art therapist/counselor with various populations and recently engaged in a neuropsychology postdoctoral fellowship. She has given numerous professional presentations, recently on Neurobiology and Spiritual Growth.