Lee Strobel is a New York Times best-selling author of over forty books and curricula that have sold over fourteen million copies. He was a journalist for fourteen years at The Chicago Tribune, but after probing the evidence for Jesus for nearly two years, Lee became a follower of Jesus in 1981. 

Dr. Josh McDowell is an author, apologist and evangelist. He is the author or co-author of over 150 books including Evidence That Demands a Verdict, More Than a Carpenter, and The Unshakable Truth. 

Dr. Alex McFarland is a Christian apologist, author, evangelist, and advocate for biblical truth. He co-hosts a daily radio show, Exploring The Word, on the American Family Radio Network, and frequently appears on Fox News, NPR,the BBC, and Breakpoint Radio.

Dr. Erwin Lutzer is a respected evangelical pastor, teacher, speaker, and author of over 50 books. For 36 years, he was the senior pastor at The Moody Church in Chicago, where he now holds the title of Pastor Emeritus. 

Dr. Frank Turek is an author, speaker, and the founder and president of CrossExamined.org, a Christian apologetics ministry. He presents powerful and entertaining evidence in support of Christianity at churches, high schools, and secular college campuses. 

Dr. David Noebel is an author, public speaker, and an ordained minister. He previously served as founder and president of Summit Ministries, a leadership training organization that trains Christians in apologetics, worldview analysis, and social engagement.

Dr. Gary Habermas is a New Testament scholar and theologian. He has dedicated his professional life to the examination of the relevant historical, philosophical, and theological issues surrounding the death and resurrection of Jesus.  

Dr. Del Tackett is the creator of the worldview curriculum, The Truth Project. He served more than 20 years as an officer in the United States Air Force. During the George H.W. Bush administration, Dr. Tackett served at the White House as director of technical planning for the National Security Council.