• Kyunghee University, School of Dentistry (DMD, MSD, Ph.D. in Periodontics)
• Dissertation: Effects of low-energy laser irradiation on the gene expression of osteogenic markers during the healing of extraction sockets in aged rats
• Director, Win Dental Clinic
• Clinical Associate Professor, Kyunghee University School of Dentistry, Dental Hospital
• Vice President, Korean Academy of Oral & Maxillofacial Implantology
• Director, Korean Academy of Periodontology
• Director, Korean Academy of Geriatric Dentistry
• Director of Scientific Affairs, Seoul Dental Association