David Kinnaman

David Kinnaman is the author of the bestselling books Good Faith, You Lost Me and unChristian. 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 nearly one million individuals and overseen hundreds of U.S. and global research studies. He and his wife live in California with their three children.