Researcher at Jangseogak at the Academy of Korean Studies. He specializes in the study of religion. He is the writer of Disasters during the Joseon Dynasty and State Rites, The Space of Ancestor Worship for the Royal Court during the Joseon Dynasty: The Changes in Rite Propriety and Customs, and The Death of Kings and Funeral Rites: The Rite of Mourning, Respect, and Remembrance.