About the Author
Thom S. Rainer is president and CEO of LifeWay Christian Resources, one of the largest Christian resource companies in the world. He is also a best-selling author and leading expert in the field of church research. Rainer and his wife, Nellie Jo, have three grown sons and live in Nashville, Tennessee.
Eric Geiger serves as executive pastor of Christ Fellowship, a large and growing multicultural church comprised of more than seventy nationalities near Miami, Florida. He and his wife, Kaye, have one daughter, Eden.