- Implantology/Periodontology/Esthetic prosthetics/Orthodontics
- Executive Doctor of Yonsei W dental clinic
- Dental College, Yonsei Univ. (DDS)
- Graduate School, Yonsei Univ. (MSD,PhD)
- Intern & Resident at the Dept. of Periodontology, Dental Hosp., Yonsei Medical Center
- Georgia Fort Gorden Military Medical Center/ Medical College of Georgia Clinical Training course
- University of Pennsylvania RCT study course
- University of Southern California Troijan Prosthodontics course
- Yonsei mini residency(Pf. Kwon’s) Orthodontic course
- European Association for Osseointegration Member
- ITI (International Team for Implantology) Member
- Korean Academy of Periodontology Member
- Korean Academy of Oral & Maxillofacial Implantology Member
- Korean Academy of Prosthodontics Member