Wayne Grudem (PhD) is Research Professor of Theology and Biblical Studies at Phoenix Seminary in Phoenix, Arizona. He received a B.A. from Harvard University, an M.Div. and a D.D. from Westminster Seminary, Philadelphia, and a Ph.D. (in New Testament) from the University of Cambridge, England. He has published twenty books and was also the General Editor for the 2.1 million-word ESV Study Bible (Evangelical Christian Publishers Association Book of the Year and World Magazine book of the year, 2009).