Greg Epstein

Greg M. Epstein (born 1977) is an American Humanist chaplain at Harvard University and the Massachusetts Institute of Technology who is the president of the Harvard Chaplains Organization. He is an ordained Humanist rabbi, and has been influential in American humanism as a blogger, spokesperson, adviser and author of the New York Times bestseller Good Without God: What a Billion Nonreligious People Do Believe. Epstein was an expert on the first three seasons of the reality show "Married at First Sight."