Graduated from Yonsei University College of Dentistry Completion of internship at Yonsei University College of Dentistry Hospital Department of Orthodontics Completion of residency at Yonsei University College of Dentistry Hospital Yonsei University College of Dentistry Master’s degree Yonsei University Graduate School of Dentistry Ph.D. Completed Invisalign program

Yonsei University Department of Orthodontics Sejeong Member Regular Member of Korean Orthodontic Society Full Member of World Orthodontic Federation (WFO) accredited by Korean Orthodontic Society Full Member of Korean Lingual Orthodontic Research Association Full member of Korean Dental Prosthetics Association Full member of Korean Oral and Maxillofacial Implant Society