Mark DeVries (MDiv, Princeton Theological Seminary) is the founder of Ministry Architects, a consulting team that assists churches in building sustainable youth ministries. He has served since 1986 as associate pastor for youth and their families at First Presbyterian Church in Nashville, Tennessee. He has trained youth workers on five continents and has taught courses or been a guest lecturer at a number of colleges and seminaries. DeVries is the author of Family-Based Youth Ministry and coauthor of The Most Important Year in a Woman's Life/The Most Important Year in a Man's Life, and he has been a contributing writer for Josh McDowell's Youth Ministry Handbook, Starting Right and Reaching a Generation for Christ. In addition, his articles and reviews have been published in a variety of journals and magazines. He and his wife, Susan, have four grown children.