David A. Christensen is the founder and president of The Rephidim Project, a ministry devoted to encouraging and equipping pastors for expository preaching. He served for thirty ye...view moreDavid A. Christensen is the founder and president of The Rephidim Project, a ministry devoted to encouraging and equipping pastors for expository preaching. He served for thirty years in dual ministry as a Bible college professor and local church pastor. David is the author of six books, including The Persuasive Preacher: Pastoral Influence in a Marketing World.view less