Dr. Wayne Mack lives in Pretoria, South Africa, where he serves as director of ACBC Africa and as director and professor of biblical counseling at Strengthening Ministries Training Institute, a certified training center of ACBC International. Previously he served as chairman of the biblical counseling department at The Masters University and Seminary in California. He was a board member of NANC (now the Association of Certified Biblical Counselors) and FIRE (Fellowship of Independent Reformed Evangelicals). He also counseled and taught at CCEF (Christian Counseling and Educational Foundation) for fifteen years. Wayne and his wife Carol have been married since 1957. They have four adult children and twenty-two grandchildren. He has written twenty-six books on biblical counseling and practical Christian life issues.
Dave Swavely (MDiv) is a teaching elder in the Presbyterian Church in America. He was the founding pastor of Faith Church in Sonoma, California, and planted a church in the Malvern area near Philadelphia. He has also written Decisions, Decisions: How (and How Not) to Make Them. He coauthored, with Wayne A. Mack, Life in the Father's House: A Member's Guide to the Local Church and, with Harry L. Reeder, From Embers to a Flame: How God Can Revitalize Your Church.