Graduated from Gangneung-Wonju University School of Dentistry (Bachelor's, Master's, Doctorate) Gangneung-Wonju National University Dental Hospital Periodontal intern and resident training Clinical Instructor, Department of Periodontics, Chung-Ang University Yongsan Hospital · Clinical Assistant Professor, Department of Periodontics, Chung-Ang University Hospital · Visiting professor at the University of Missouri, USA Current Associate Professor, Department of Periodontal Science, College of Dentistry, Kyungpook National University · Certified by the Korean Society of Periodontics · Department of Health and Welfare certified periodontal specialist Director of the Korean Periodontal Science Training Examination · Executive Director of Korean Periodontal Science Association Member of the Korean Society of Bone Metabolism Regular member of Korea Radiation Users Association Current Academic Committee of Korean Periodontal Science Society Current Korean Society of Periodontal Science Textbook Editing Committee Current editorial executive director and deputy editor-in-chief of the Korean Society of Periodontics