· Dental Collage of Seoul National University, Korea in 1989 
· Ph. D in of Oral and maxillofacial Surgery, Seoul National University Hosspital 
· Diplomate, Korean Board of Oral & Maxillofacial Surgery & Korean Board of Maxillofacial Plastic and Reconstructive Surgery 
· Implant Clinical Career (15Y+)
· Chairman of Dept. of Dentistry, Chungbuk National University Hospital. 
· Ambulatory professor of Seoul National University Dental Collage & Asan Medical Centre College of Medicine & Ulsan University, Seoul Korea. 
· Director of AIC in Korea (Apsun Dental Implant Research and Education Centre) 
· Member of Korean Dental Association & Seoul Dental Association & Korean Implantology Association. 
· Director of Miseoul Dental Clinic. 
· Specialty in implant dentistry, from simple to full mouth reconstruction. 
· Over 30,000 dental implant surgeries performed.