Perhaps best known as the lovable teen heartthrob Mike Seaver on ‘Growing Pains,’ (1985 – 1992), Kirk also played Buck Williams in the ‘Left Behind’ movies, based on the best-selling novels of the same name. He starred in the 2008 movie ‘Fireproof’ and has been noted for his work in the best-selling documentary ‘Monumental.’
Dr. Kevin Leman is an internationally known Christian psychologist, speaker, parenting-expert, and award-winning author of the New York Times bestseller, Have A New Kid by Friday. He is a radio and television personality and has taught and entertained audiences worldwide with his wit and common sense psychology.
Author of the New York Times best-selling book The Case For Christ. Before becoming a Christian, Lee was an award-winning legal editor of The Chicago Tribune. He is the author of nearly twenty books and has been interviewed on numerous national television programs, including ABC's 20/20, Fox News, and CNN.
Jay Kim serves on staff at Vintage Faith Church in Santa Cruz, California, overseeing leadership and teaching. He also serves on the core leadership team at The ReGeneration Project, a collective of theologians, church leaders, and creatives working to help new generations engage Biblical theology and follow Jesus.
Dr. Cloud is a clinical psychologist, leadership consultant, best-selling author, and speaker. He has written and co-written more than twenty books, including the two-million-seller Boundaries, Necessary Endings, Integrity, The One Life Solution, The Law of Happiness, and 9 Things You Simply Must Do.
Ed Stetzer, Ph.D., is a professor and dean at Wheaton College where he also serves as Executive Director of the Wheaton College Billy Graham Center
Mark Mittelberg is a bestselling author, sought-after speaker, leading outreach strategist, and the Executive Director of the Center for Strategic Evangelism, in partnership with Houston Baptist University.  Mark’s passion for equipping people to defend their faith is uniquely approachable, humorous, and always very practical.
Josh McDowell’s cutting-edge ministry has been reaching the spiritually skeptical for almost four decades, and he has touched the lives of more than seven million young people in 84 countries. Josh has written or co-written over 138 books on topics ranging from Christian apologetics to common problems facing youth.
George Barna’s work in faith-based statistics and leadership (The Barna Group) is frequently cited as an authoritative source by the media. He is widely considered one of the nation’s most influential Christian leaders. George has written 48 books, including best-sellers Revolution, Transforming Children into Spiritual Champions, and The Power of Vision.
Dr. Craig Hazen is the Director of Christian Apologetics at Biola University. He is also an author, professor, and frequent church and conference speaker. Craig has spoken in the biggest churches in the country, the White House, the US Capitol, and on national television.