Robert P. Menzies (PhD, University of Aberdeen) has lived in East Asia for most of the past three decades and serves as director of the Asian Center for Pentecostal Theology. His books include Spirit and Power: Foundations of Pentecostal Experience and Empowered for Witness: The Spirit in Luke-Acts.
Craig S. Keener (Ph.D., Duke University) is F. M. and Ada Thompson Professor of Biblical Studies at Asbury Theological Seminary. He is author of 37 books, 5 of which have won awards in Christianity Today. More than a million copies of his books are in circulation; the most popular is The IVP Bible Background Commentary: New Testament, which provides cultural background on each passage of the New Testament. Craig is also the New Testament editor for the NIV Cultural Backgrounds Study Bible, which won the International Book Award for Christianity and Bible of the year in the Christian Book Awards. Craig is editor of the Bulletin for Biblical Research and is past president of the Evangelical Theological Society. Craig's wife, Dr. Médine Moussounga Keener, was a refugee in her home country of Congo; their story appears in Impossible Love: The True Story of an African Civil War, Miracles, and Hope against All Odds (Chosen, 2016). His blog site is www.craigkeener.com.