Andrew Newberg, MD, is the director of research at the Jefferson Myrna Brind Center of Integrative Medicine and the bestselling author or coauthor of several books, including How God Changes Your Brain.
Mark Robert Waldman, one of the world's leading experts on communication, spirituality, and the brain, is on the faculty at Loyola Marymount University's College of Business and the Holmes Institute.
James C. Lewis, an AudioFile Earphones Award winner, is a voice actor in New York City. His voice is often heard as a hard-boiled detective, but his work for Tantor covers a wide range. Earlier in his career, he was a TV weatherman and a political reporter.