Terry Powell taught for 38 years in the Church Ministry program at Columbia International University. He earned his PhD from Trinity Evangelical Divinity School. For a total of twelve years, he served in both full-time and part-time capacities as an associate staff member of three churches. He is a licensed preacher in the Presbyterian Church of America (PCA). Terry has written or coauthored 19 books, including Serve Strong: Biblical Encouragement to Sustain God's Servants (Leafwood). He has taught courses or seminars in at least fifteen countries. He maintains a blog on depression and faith, penetratingthedarkness.com. Terry and his wife, Dolly, have two grown sons, a daughter by marriage, and a grandson.