All Community Chapel: Winsome Conviction

Timothy Muehlhoff

Tim Muehlhoff (Ph.D., University of North Carolina at Chapel Hill) is a professor of communication studies at Biola University in La Mirada, California where he teaches classes in family communication, interpersonal communication and gender. Dr. Muehlhoff's main interests lie in the study of interpersonal communication as applied to marital relationships, family dynamics, civil dialogue, social justice, and apologetics. He has authored several books on those topics including his newest, Winsome Persuasion - Christian Influence in a Post-Christian World, which received the 2018 Merit Award in Evangelism and Apolgetics from Christianity Today. 

He and his wife, Noreen, have three sons and are frequent speakers at FamilyLife Marriage Conferences.

Rick Langer

Professor, Biblical Studies and Theology. Dr. Langer's teaching and research focus is on the integration of faith and learning. He has also spoken and published in the areas of bioethics and Christian political thought. Prior to coming to Biola, he served for over twenty years as a pastor at Trinity Evangelical Free Church in Redlands. He has also taught philosophy and philosophy of religion at the college and university level for many years. He lives in Fullerton with his wife Shari and has two adult children Crystal and Mark and is a proud grandfather to four grandchildren.