Dr. Tony Campolo
Tony Campolo is professor emeritus of sociology at Eastern University, a former faculty member at the University of Pennsylvania, and the founder and president of the Evangelical Association for the Promotion of Education. He has written more than 35 books. He is one of the founders of the Red Letter Christian movement and blogs regularly at their website, RedLetterChristians.org, and can also be found on both Facebook and Twitter. Dr. Campolo and his wife Peggy live near Philadelphia and have two children and four grandchildren.
Biography and photo from Tony Campolo's website.