Sean McDowell, PhD, is an associate professor of Apologetics at Biola University and a frequent speaker at Summit Ministries. He graduated from Talbot Theological Seminary with a double Master's degree in Theology and Philosophy, and also earned a Ph.D. from Southern Baptist Theological Seminary. Sean is the author, co-author or editor of 18 books including The Fate of the Apostles, and A New Kind of Apologist. He is the general editor for The Apologetics Study Bible for Students. Sean and his wife Stephanie have three children and live in California. J. Warner Wallace is a cold-case homicide detective, speaker, and author. He is a Senior Fellow at the Colson Center for Christian Worldview, an adjunct professor of apologetics at Biola University, and a faculty member at Summit Ministries. Jim and his wife Susie also write popular apologetics books for kids and create the award-winning Case Makers Academy. Jim is married to Susie and they have four children.