慶熙大学校歯科大學 齒科補綴學敎室 名誉教授
GAO（Global Academy of Osseointegration）招聘教授
米国ハーバード大学歯学部インプラント科客員准教授
DDS, MSD, & PhD at Kyung Hee University College of Dentistry, Seoul, South Korea
1993~2023. Prof. Department of Prosthodontics, Kyung Hee University College of Dentistry, Seoul, South Korea
1991~1992. Research Fellow at Scholarship PhD Exchange Program, Ohu University, Koriyama, Japan
1997~1999. Visiting Associate Prof. Department of Biomaterials & Restorative Dentistry, Implantology, Harvard School of Dental Medicine, Boston, USA
1993~present. Professor in Charge of Removable Partial Denture(RPD) Prosthodontics, Human TMJ & Occlusion, and Dental Implantology of the regular curriculum in the university
2017~2019. President, AAO (Asian Academy of Osseointegration)
2017~2020. ITI(International Team for Implantology) Korea Section Chair
2006~2023. Prof. Department of Biomaterials & Prosthodontics, Kyung Hee University Dental School Hospital at Gangdong, Seoul, South Korea
September 2023~present. Emeritus Professor at the Department of Prosthodontics, Kyung Hee University College of Dentistry, Seoul, South Korea
September 2023~present. Invited Professor at the GAO(Global Academy of Osseointegration)