Jeffrey P. Greenman (PhD, University of Virginia) is academic dean and associate professor of theology and ethics at Regent College in Vancouver, BC, Canada. He is coauthor of and He is coeditor of numerous books including and Greenman is a member of the Society of Christian Ethics and the American Academy of Religion.
George Kalantzis (Ph.D., Northwestern University) is associate professor of theology and director of The Wheaton Center for Early Christian Studies at Wheaton College in Wheaton, Illinois. His research and writing interests focus on the dynamic relationship between the written documents and their interpretation in early Christianity, paying particular attention to the development of christological and trinitarian thought, as well as the interplay of classical Greco-Roman and early Christian philosophical understandings of anthropology and biblical hermeneutics. He is the author of , , coeditor with Andrew Tooley of , with Jeffrey P. Greenman of and with D. Stephen Long of , as well a numerous articles and essays on Patristic thought. He is currently completing a project on wealth and poverty titled Before coming to Wheaton College, Kalantzis taught seminary and doctoral students as they were preparing to engage the world and the church. He and his wife share this goal and vision with their Chicago area congregation where they serve in missions, the worship arts programs, and in adult and children's education.