Amos Yong (PhD, Boston University) is professor of theology and mission and director of the Center for Missiological Research at Fuller Theological Seminary in Pasadena, California. He is the author or editor of over two dozen books, including Spirit of Love: A Trinitarian Theology of Grace, Afro-Pentecostalism: Black Pentecostal and Charismatic Christianity in History and Culture (coedited with Estrelda Alexander), Science and the Spirit: A Pentecostal Engagement with the Sciences (coedited with James K. A. Smith), and The Spirit Poured Out on All Flesh: Pentecostalism and the Possibility of Global Theology.