Os Hillman is an American consultant, author, and international speaker.  He is founder and Executive Director 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.  He is the author of 12 books and a daily workplace e-mail devotional called, TGIF:  Today God is First, which has roughly 200,000 daily subscribers worldwide.  He is also President of Aslan Inc., which provides a leading online “faith-at-work” Christian bookstore.