In addition to being an author,
is a professor of communication at Biola University in La Mirada, California where he teaches classes in family communication, interpersonal communication, apologetics, gender, and conflict resolution. He completed a Ph.D. in communication theory at the University of North Carolina at Chapel Hill (2003) where his dissertation focused on helping couples move past marital gridlock—difficult issues in marriage that won’t go away despite time and effort—by working through an original four-phase communication model. Since 1986 he has served with Cru (formerly Campus Crusade for Christ) in the campus ministry, short-term missions (Kenya, Russia, Lithuania), and currently with Keynote as a trainer for The Comm Lab—a center that trains Cru staff, pastors, and lay people in evangelistic speaking and apologetics. For the past 18 years Tim and his wife, Noreen, have been frequent speakers at FamilyLife Marriage Conferences. Tim and Noreen live in Brea, California with their three sons, Michael, Jason, and Jeremy.