Nancy Leigh DeMoss is a Christian radio host and author. She is the host of the radio shows Revive Our Hearts and Seeking Him, which are heard on nearly 1,000 radio stations. DeMoss is a graduate of the University of Southern California where she earned a degree in piano performance. Since 1980, she has served on the staff of the Buchanan, Michigan based revival ministry, Life Action Ministries. [1] Nancy Leigh DeMoss has authored 15 books which have sold over 2,000,000 copies