Orthodontist (Ministry of Health and Welfare) Master of Orthodontics Doctor of Orthodontics Doctor of Orthodontics, Kyunghee University College of Dentistry, Intern, Department of Orthodontics, Kyunghee University, College of Dentistry, Resident,

Now Juan Bareun Dental Orthodontic Clinic CEODirector

Regular member of Korean Orthodontic Society Full member of Korean Orthodontic Society Served as a legislative member of the Society AAO (American Association of Orthodontics) - International member of the American Orthodontic Society WFO (World Federation of Othodontics) - Fellow of the World Orthodontic Federation Full member of the Korean Orthodontic Society Full member of the Korean Temporomandibular Joint Association Apple Orthodontic Research Group Instructor Clinical Orthodontic Research Group Instructor KSDO (Korean Society of Digital Orthodontists) - Member of Korean Digital Orthodontists Association Vice President of Incheon Metropolitan City Dental Association