David Kinnaman is the 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, he has directed interviews with more than a million individuals and overseen hundreds of U.S. and global research studies. David has co-authored four books, the latest of which is titled Faith for Exiles. He and his wife, Jill, reside in Ventura, Calif., and have three children.