David Z. Nowell (www.davidznowell.com) is an author, speaker, and President of Hope Unlimited for Children, a Christian nonprofit that ministers to sex-trafficked children, street orphans, and child prisoners. Prior to joining Hope in 2007, he spent most of his career as a senior administrator at several Christian colleges. He is a graduate of Baylor University with a PhD in historical theology. Nowell's blog, Pursuing Dirty Faith surrounds topics of faith, orphan care, and lifestyle stewardship. He and his wife, Susan, make their home in Jefferson City, TN.