I am currently a professor at the Faculty of International Studies, Ryukoku University, specializing in Eastern Church mysticism and comparative religious thought. The following are my published monographs:"The Spirituality of the Ancient Greek Church Fathers: The Formation of Eastern Christian Monasticism and Mystical Thought" (Kyobunkan), "Greek Orthodoxy: Wisdom of the East" (Kodansha Sensho Metier 522), (Translation) Rudolf Otto, "The Idea of the Holy" (Iwanami Bunko), "The Psychophysical Techniques of Prayer: 14th-Century Byzantine Hesychasm" (Kyoto University Academic Press), "Gregorios Sinaites as a Teacher of Prayer" (Altenberge, Germany)