Dr. Tsubasa Okoshi is a professor at Kyoto University of Foreign Studies in the Department of Hispanic Studies, Faculty of Foreign Studies. His academic focus includes the study of colonial Maya society, examining land titles, kingship, and ritual practices in Mesoamerica. His research often integrates ethnohistorical and archaeological perspectives to analyze changes in pre-Columbian and colonial-era Maya sociopolitical systems. Dr. Okoshi has contributed extensively to the field through collaborative projects, such as the international research initiative on the rituals and temporal structures of the Yucatecan Maya. He has also published works on Maya kingship and colonial land titles, showcasing their implications on Maya political and social history.