Mark is a pastor, teacher, speaker, and the author of seven books, as well as the forthcoming novel, David. He has also written numerous articles for Christianity Today., Faith Today, Leadership Journal, Discipleship Journal, Conversations, Seven, and other magazines. He enjoys scuba diving, fishing, and motorcycles.
Beth Guckenberger and her husband, Todd, live with their family in Monterrey, Mexico where they serve with Back2Back Ministries, an international orphan care ministry headquartered in Cincinnati, Ohio. They both graduated from Indiana University and are raising nine children. Currently the ministry also has operations in India and Nigeria. Beth is the author of Reckless Faith, Relentless Hope, Tales of the Not Forgotten, and Tales of the Defended Ones. She travels and speaks regularly at conferences, youth gatherings and church services.
As a young man, Josh McDowell considered himself an agnostic. However, when challenged to examine the claims of Christianity, Josh discovered compelling, overwhelming evidence for the reliability of the Christian faith. Josh’s life changed dramatically as he experienced the power of God’s love. In over 50 years of ministry Josh has addressed more than 25 million people, visited 125 countries, and written 138 books, including Evidence that Demands a Verdict. In spite of all the honors and awards he has received, Josh says his greatest joy comes from his family. He and his wife Dottie have been married over 40 years. They have four children and eight grandchildren.
Glenn Smith is the Executive Director of Christian Direction, a multi-faceted ministry committed to seeing God transform urban communities by the concerted actions of committed Christians in the cities of the Francophone world. He is a recognized leader and teacher in the area of urban missiology, as well as the Senior Associate for the Lausanne Committee for World Evangelization. Glenn is the author of several books, including The City Air Makes You Free. He and his family live in Montreal.