Professor Alejandro Sada received a Master's degree in Philosophy with honors from the National Autonomous University of Mexico (2016) and a PhD degree in Philosophy summa cum laude from the University of Navarra (2020), for which he obtained a scholarship from the Universidad Panamericana. Since 2011 he has worked as a Research Professor at this institution, where he has taught different undergraduate and graduate courses, such as History of Culture, Person and Society, Ethics, Theological Anthropology I and II, Introduction to Christianity, Social Philosophy, Man and Contemporary World, Joseph Ratzinger in dialogue with culture. He has published several specialized articles in scientific journals. Among his most recent publications are the books: Assent and Certainty in the Thought of John Henry Newman. A Defense of Religious Belief (Nun, 2021); Sense and Truth. Towards a New Understanding of Philosophy from the Thought of Joseph Ratzinger (BAC, 2023). He is editor, with Tracey Rowland and Rudy Albino de Assunção, of the book Ratzinger and the Philosophers. From Plato to Vattimo, soon to be published in English, Spanish and German (Bloomsbury, T&T Clark; Encuentro; Ratzinger Studien). He is especially interested in the relationship between faith and reason (theology and philosophy), and in the metaphysical and anthropological implications of the Christian faith. He is also engaged in the study of the thought of John Henry Newman and Joseph Ratzinger. He currently directs an international research group on the Collaboration between philosophy and theology in the thought of Joseph Ratzinger, which has obtained resources from the Research Promotion Fund for two consecutive years.