Corey Miller is the President/CEO of Ratio Christi (2015-Present). While he grew up in Utah as a seventh- generation Mormon, he came to Christ in 1988. He has served on pastoral staff at four churches and has taught nearly 100 college courses in philosophy, theology, rhetoric, and comparative religions at various places (Purdue, Indiana University). From 2009 to 2015 he served on staff with Cru’s Faculty Commons ministry at Purdue. He taught philosophy and comparative religions at Indiana University for 12 years. While he has published in journals such as (International Philosophical Quarterly, Philosophia Christi, Christian Research Journal, etc.), he is also author or co-author of Is Faith in God Reasonable? Debates in Philosophy, Science, and Rhetoric (2014),  Leaving Mormonism: Why Four Scholars Changed their Minds (2017), In Search of the Good Life: Through the Eyes of Aristotle, Maimonides, and Aquinas(2019), Engaging with Mormons: Understanding their World, Sharing Good News(2020), Responding to the Mormon Missionary Movement (2023), and most recently The Progressive Miseducation of America: Confronting the Cultural Revolution from the Classroom to Your Community (2025). Dr. Miller holds master’s degrees in philosophy, biblical studies, and in philosophy of religion and ethics. His PhD is in philosophical theology from the University of Aberdeen, Scotland. He is passionate about defending and proclaiming the truth of the Gospel in winsome and bold ways.