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 coauthor of the bestselling unChristian, author of The Next Christians, and the founder of Q, a learning community that mobilizes Christians to think well and advance 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 Nashville, Tennessee.