 Major stakeholders of the intangible heritage program are " living national treasures " or officially called " holders " ( 보유자 boyuja ) , people who possess knowledge or skills essential for preserving Korean culture . Some of these ' holders ' obtained significant national exposure or fame , for example Han Bongnyeo ( 한복려 ) , a holder for the Korean royal court cuisine who supervises the authentic presentation of Joseon Dynasty food in historical movies and television series . 
