John Ortberg is the senior pastor of Menlo Park Presbyterian Church (MPPC) in the San Francisco Bay Area. His bestselling books include Soul Keeping, Who Is This Man?, and If You Want to Walk on Water, You ve Got to Get out of the Boat. John teaches around the world at conferences and churches, writes articles for Christianity Todayand Leadership Journal, and is on the board of the Dallas Willard Center and Fuller Seminary. He has preached sermons on Abraham Lincoln, The LEGO Movie, and The Gospel According to Les Miserables. John and his wife Nancy enjoy spending time with their three adult children, dog Baxter, and surfing the Pacific. You can follow John on twitter @johnortberg or check out the latest news/blogs on his website at www.johnortberg.com.

Scott Rubin has been on staff at Willow Creek Community Church for 18 years, and he's currently the director of Elevate, the junior high ministry at Willow Creek. Scott, along with an entirely-fantastic team of staff and volunteer leaders, has the privilege of helping young adolescents follow Jesus. He also co-authored two books in the Middle School Survival Series with Mark Oestreicher.