Founding member of Implanet (implant educational institution) Founding member of TOP Dental Clinical Research Society Former director of Mokdong St. Mary’s Dental Clinic Former director of Bucheon Dental Social Materials External Cooperation Director, Bucheon Dental Board Former Member of Gyeonggi-do Dental Association Former Member of Public Opinion Collecting Member, Korean Dental Association Current 30th Public Information Committee Member of Korean Dental Association Current Auditor of Bucheon Dental