Daniel Castelo (PhD, Duke University) is associate dean for academic formation and the William Kellon Quick Professor of Theology and Methodist Studies at Duke Divinity School in Durham, North Carolina. He previously taught at Seattle Pacific University. He received a 2011 John Templeton Award for Theological Promise for his book The Apathetic God: Exploring the Contemporary Relevance of Divine Impassability and has written a number of other books, including Pentecostalism as a Christian Mystical Tradition.