William W. Menzies (Ph.D., University of Iowa) is an Assemblies of God educator and missions consultant. He taught at Central Bible College, Evangel University, and Assemblies of God Theolgocial Seminary. He has been a consulting editor for Christianity Today.
Wonsuk grew up in Korea and became a Pentecostal minister. While serving as a missionary in the Philippines, he finished his PhD study (OT) at Fuller. Now he is Executive Director of Oxford Centre for Mission Studies, Oxford. He loves to combine Pentecostalism, mission and Old Testament in his reflection. He is currently finishing one book with his wife, Julie C. Ma, on Pentecostal mission.
Hyeonsung Bae (Ph.D.) is Dean of Graduate Schools, and Director of Youngsan Theological Institute, Hansei University, Gunpo, Korea. He coedits Asian Journal of Pentecostal Studies.