Department of Orthodontics Graduated from Pusan ​​National University College of Dentistry Completion of internship at Pusan ​​National University Dental Hospital Department of Orthodontics Completion of residency at Pusan ​​National University Dental Hospital Department of Orthodontics

Now Pretty Smile Barun Dental Clinic Dongrae CEODirector

Full member, Korean Association of Orthodontics (KAO) Associate member, Korean Association of Lingual Orthodontics (KALO) Associate member, American Orthodontic Society (AAO) International member World Federation of Orthodontists (WFO) Fellow