Josh McDowell has been reaching the spiritually skeptical for more than five decades. Since beginning ministry in 1961, Josh has spoken to more than 25 million people in 128 countries. He is the author or coauthor of 148 books, with over 51 million copies distributed worldwide, including Straight Talk with Your Kids About Sex, Experience Your Bible, Evidence for the Historical Jesus, More Than a Carpenter (over 15 million copies printed in 85 languages), and The New Evidence That Demands a Verdict, recognized by World magazine as one of the twentieth century's top 40 books. Josh continues to travel throughout the United States and countries around the world, helping young people and adults strengthen their faith and understanding of Scripture. Josh will tell you that his family is his ministry. He and his wife, Dottie, have been married for over 40 years and have four children and numerous grandchildren.

Jim Walker has been involved in Islamic ministry and research for over 20 years. He has led and taught numerous seminars for Christians interested in learning about Muslims' faith.