Tongwon University Professor (Giao s? Khoa Hanh chinh y t?, đ?i h?c Tongwon)
Graduate School of Education, Gachon University, Public Ph.D
(Ti?n s? Khoa y t?, tr??ng cao h?c đ?i h?c Gachon)
Korea Public Health Association, Gyeonggi, Director of Public Relation
(Giam đ?c qu?ng ba, Hi?p h?i Y t? Han Qu?c chi b? t?nh Gyeonggi)
Korea Society of Hospital Management, Executive Director
(Giam đ?c th??ng tr?c, Hi?p h?i qu?n ly b?nh vi?n Han Qu?c)