Dr. Hong-Keun Hyun is a professor and currently works at Department of Pediatric Dentistry, School of Dentistry, Seoul National University and at the Dental Research Institute, Seoul National University. Hong-Keun does research in Dental Materials, Pedodontics (Pediatric Dentistry) and Dentistry. He is the Editor-in-Chief of Journal of the Korean Academy of Pediatric Dentistry. He is also an editorial board member of Journal of Dental Research and International Journal of Paediatric Dentistry.