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.
Gabe Lyons is the author of The Next Christians: The Good News About the End of Christian America and the founder of Q--a learning community that mobilizes Christians to advance the common good in society. Prior to launching Q, Gabe cofounded Catalyst, a national gathering of young leaders. His work represents the perspectives of a new generation of Christians and has been featured by CNN, the New York Times, Fox News, and USA Today. Gabe, his wife, Rebekah, and their three children reside in Manhattan, New York.