Masayuki Ito is a professor in the Department of Religious Studies, Faculty of Letters, at Aichi Gakuin University. He completed his doctorate in sociology at the University of Pennsylvania in 1998. His specialty is the sociology of religion. His recent works include: Ito, Masayuki. 2021. Modern Spirituality Culture Theory: From Yoga, Mindfulness to Positive Psychology. Tokyo: Akashi Shoten. (In Japanese) Ito, Masayuki. 2025. Modern Yoga Theory. Tokyo: Shunju-sha, in press. (In Japanese)