Frank D. Macchia (DTheol, University of Basel; DD Honorary, Pentecostal Theological Seminary) is professor of systematic theology at Vanguard University of Southern California and associate director of the Centre for Pentecostal and Charismatic Studies at Bangor University, Wales. His recent books include Jesus the Spirit Baptizer: Christology in Light of Pentecost and The Spirit-Baptized Church: A Dogmatic Inquiry. He lives in Aliso Viejo, California.