Department of Orthodontics Doctor of Dentistry, Yonsei University College of Dentistry, Internship, Department of Orthodontics, Chosun University Dental Hospital, Residency, Department of Orthodontics, Chosun University Dental Hospital, Invisalign, Incognito-accredited German Charite Dental Hospital Visiting Scholarship

Now Cheonan Jirani Dental Orthodontic Clinic CEODirector

Full member of the Korean Orthodontic Society, World Federation of Orthodontists (WFO) Fellow, accredited by the Korean Orthodontic Society, Member of the Korean Lingual Orthodontic Society Full member of the Korean Orthodontic Society Full member of the Korean Society of Orthodontists Full member of the Korean Digital Orthodontic Society