Os Hillman is president of Marketplace Leaders,an organization whose purpose is to help men and women discover and fulfill God’s complete purposes through their work and to view their work as ministry.

Os is an internationally recognized speaker on the subject of faith at work. He is the author of 11 books and a daily email devotional called TGIF Today God Is First which has over 190,000 daily subscribers worldwide. He developed and teaches The 9 to 5 Window Workshop and Change Agent Intensive weekend training sessions. Os also gives leadership to a new intiative called The Change Agent Network. Os has been featured on CNBC, NBC, LA Times, New York Times, and many other national media as a spokesperson on faith at work.

Os is also president of Aslan Inc. which provides a leading online Christian bookstore to serve the “faith-at-work” movement called TGIFbookstore.com to serve the needs of Christians in their workplace calling.

Os attended the University of South Carolina and Calvary Chapel Bible School, a ministry of Calvary Chapel of Costa Mesa, California. Os lives in Cumming, Georgia, a suburb in north Atlanta.