Kinnaman, David: - David Kinnaman is coauthor of unChristian, You Lost Me, and Good Faith. He is president of Barna Group, a leading research and communications company that works with churches, nonprofits, and businesses ranging from film studios to financial services. Since 1995, David has directed interviews with more than one million individuals and overseen hundreds of U.S. and global research studies. He and his wife live in California with their three children.

Matlock, Mark: - Mark Matlock is Senior Fellow at Barna and a facilitator of innovation and impact. As the founder of WisdomWorks, he has been a consultant for many national and international faith-based organizations, helping them adapt to changing times by turning data and research into strategy and action. Having guided many projects with Barna, Mark's research provides insights into understanding younger generations, cultivating resilient disciples, and knowing the pulse of your city. Mark most recently coauthored Faith for Exiles with David Kinnaman and is currently working on Emotionally Healthy Discipleship for teens with Pete Scazzero.

Hawkins, Aly: - ALY HAWKINS and her husband, Bryan Ashmore, live, write, and make music in Southern California. Aly is the author of Shine: Beautiful Inside and Out, as well as numerous articles. Married for five years, Aly and Bryan are passionate about living at the intersection of faith, art, and culture.