Sean McDowell challenges both young people and adults to deepen their walk with Christ. Sean mentored under his father, Josh McDowell, and is a popular speaker at churches, conferences, camps, and schools nationwide. 
Caleb Kaltenbach is the Lead Pastor of Discovery Church in Simi Valley, CA. He’s the author of Messy Grace and God of Tomorrow (2017 release).  In Messy Grace, Caleb writes about growing up in the LGBT community, finding Jesus, and learning that love doesn’t require a shift in theology.
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.