Paul van Geest, S.T.L., Drs. Litt., PhD, is professor of Church History and the History of Theology at Tilburg University, vice-dean of this faculty, head of the Centre for Patristic Studies (an inter-university research institute at the University of Tilburg and the VU University Amsterdam), and honorary professor of Augustinian Studies at VU University Amsterdam. He is also distinguished lecturer at ESAA (Erasmus School of Accounting and Assurance, Erasmus University). He has published extensively on Modern Devotion, Late Medieval Nominalism, Augustine’s theology, spirituality and reception, art of living and ethics in Early Christianity and mystagogy. His recent publications include The incomprehensibility of God. Augustine as a Negative Theologian (Louvain, 2011). Van Geest participates in several international research projects, including “After Augustine” (Oxford) and is editor of various authoritative series in his area of research (including Brill Series in Church History (Leiden); Late Antique History and Religion (Peeters, Louvain); Brill’s Encyclopedia of Early Christianity (Leiden-Boston-Köln). He held/holds a number of positions on various boards (ERC; Netherlands Organization for Scientific Research, NWO). Van Geest has successfully supervised 8 PhD students and more than 25 MA students over the last 8 years. He is a regular reviewer of book proposals for Peeters University Press, Brill Publishers and Oxford University Press. He is also an expert of the Congregation for the Doctrine of the Faith (Vatican, Holy See). He is regularly invited by the national media in the Netherlands to shed light on questions concerning the Holy See and the Church and society in the Netherlands and was elected ‘theologian of the year’ in 2014.