Daniel Castelo (PhD, Duke University) is William Kellon Quick Professor of Theology and Methodist Studies at Duke Divinity School. He is the author of several books, including Pentecostalism as a Christian Mystical Tradition, Pneumatology: A Guide for the Perplexed, and Confessing the Triune God. He is coauthor of The Marks of Scripture: Rethinking the Nature of the Bible and coeditor of the T&T Clark Handbook of Pneumatology.