Os Hillman is an internationally recognized speaker, author, and consultant on the subject of faith at work. He is the founder and president of Marketplace Leaders Ministries, an organization whose purpose is to train men and women to fulfill their calling in and through their work life and to view their work as ministry. Os formerly owned and operated an ad agency in Atlanta for twelve years. He has written over two dozen books on faith and work-related subjects and a daily workplace email devotional entitled TGIF: Today God Is First, which is read by hundreds of thousands of people daily in 105 countries. He has been featured on TBN, CNBC, NBC, The Los Angeles Times, The New York Times, The Associated Press, Newsmax, The Christian Post, Charisma News, Crosswalk, and many other national media outlets as a spokesperson on faith at work. Os has spoken in twenty-six countries. Os attended the University of South Carolina and Calvary Chapel Bible School, a ministry of Calvary Chapel of Costa Mesa, California. Os is married to his incredible wife, Pamela, and they live in north Atlanta with their four dogs. Os has one daughter, Charis, and son-in-law, Justin.