Dr. Jong Moon Chae is a Professor and Chair of the Department of Orthodontics, School of Dentistry, Wonkwang University, Daejeon Dental Hospital. He earned DDS, MSD and PhD from the Graduate School at Kyungpook National University, College of Dentistry and completed the Post Graduate Orthodontic Program there. He was a visiting scholar at Postgraduate Orthodontic Program, Arizona School of Dentistry & Oral Health, A.T. Still University (2015). While fulfilling his teaching and administrative duties as a full-time faculty member at Wonkwang University, he has contributed book chapters on Tweed-Merrifield mechanics and published several scientific and clinical articles in peer-reviewed orthodontic and dental journals. He also lectures nationally and internationally. His fields in research include biomechanics regarding Tweed technique, TAD and FEM study. He has served as a reviewer in major orthodontic journals, including American Journal of Orthodontics and Dentofacial Orthopedics, The Angle Orthodontist, Journal of Clinical Orthodontics, European Journal of Orthodontics, Progress in Orthodontics and The Korean Journal of Orthodontics.