The Holy Spirit: An Introduction

Fred Sanders (PhD, Graduate Theological Union) is professor of theology at the Torrey Honors College at Biola University. Sanders is the author of The Deep Things of God and blogs at fredfredfred.com.

Oren R. Martin (PhD, Southern Seminary) serves as a pastor at Watermark Community Church in Dallas, Texas, where he leads equipping, teaches in the Watermark Institute, and serves as theologian-in-residence. Previously, he served as associate professor of Christian theology at the Southern Baptist Theological Seminary. He is the author of Bound for the Promised Land and co-author of 40 Questions About Biblical Theology.

Graham A. Cole (ThD, Australian College of Theology) is emeritus dean and emeritus professor of biblical and systematic theology at Trinity Evangelical Divinity School. An ordained Anglican minister, he has served in two parishes and was formerly the principal of Ridley College. Graham lives in Australia with his wife, Jules.