Wayne Grudem (PhD University of Cambridge) is Research Professor of Theology and Biblical Studies at Phoenix Seminary in Arizona. He has written more than 20 books, including Systematic Theology (Zondervan, 2020), The Gift of Prophecy in the New Testament and Today (Crossway, 2000), Business for the Glory of God (Crossway, 2003), Politics According to the Bible (Zondervan, 2010), and (with Barry Asmus) The Poverty of Nations: A Sustainable Solution (Crossway, 2013).