Dr. Douglas Groothuis is a member of the Evangelical Theological Society, Evangelical Philosophical Society, and Society of Christian Philosophers. Dr. Groothuis received a PhD and a BS from the University of Oregon, and an MA in philosophy from the University of Wisconsin–Madison. He has served as adjunct professor at Seattle Pacific University, visiting instructor in apologetics for Westminster Theological Seminary, and instructor at the University of Oregon .
He is the author of Walking Through Twilight: A Wife’s Illness—A Philosopher’s Lament, Philosophy in Seven Sentences, Christian Apologetics: A Comprehensive Case for Christian Faith, Unmasking the New Age, Confronting the New Age, Revealing the New Age Jesus, Christianity That Counts, Deceived by the Light, Jesus in an Age of Controversy, The Soul in Cyberspace, Truth Decay, On Pascal, and On Jesus. He has written for scholarly journals such as Religious Studies, Sophia, Research in Philosophy and Technology, Journal of the Evangelical Theological Society, Philosophia Christi, Trinity Journal, and Asbury Theological Journal as well as for numerous popular magazines such as Christianity Today, Moody Magazine, The Christian Research Journal, Christian Counseling Today, Modern Reformation and Perspectives. He has also written editorials for a variety of newspapers.