Department of Orthodontics Graduated from Yonsei University College of Dentistry Doctor of Medicine, Department of Orthodontics, Asan Hospital, Asan Medical Center, Seoul, Asan Hospital, Department of Orthodontics, Department of Orthodontics,

Now Butt Dental Clinic CEODirector

Orthodontic Society Full member, Korean Society for Conservation of Dentistry Full member, Korean Dental Prosthetics Society, Korean Oral and Maxillofacial Implant Regular member of the Society Regular member of the University of Michigan Orthodontic Research Society