David KinnamanDavid 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 sudios 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. Read More Read Less