Dr. Andrew Newberg is a neuroscientist who studies the relationship between brain function and various mental states. He is a pioneer in the neurological study of religious and spiritual experiences, a field known as “neurotheology.” His research includes taking brain scans of people in prayer, meditation, rituals, and trance states, in an attempt to better understand the nature of religious and spiritual practices and attitudes. Mark Waldman is one of the world’s leading experts on communication, spirituality, and the brain. He is on the faculty at Loyola Marymount University’s College of Business and the Holmes Institute. Mark has authored 12 books, including the national bestseller, How God Changes Your Brain, an Oprah pick for 2012. His research has been published throughout the world and featured in Time, the Washington Post, the New York Times, Forbes, Entrepreneur, Investor’s Business Weekly, and Oprah Magazine.