Korea University Graduate School of Dentistry, Graduate School of Dentistry, Department of Implantation, New York School of Medicine Completed Periodontal, Implant Course, University of Washington, University of Pennsylvania Neurotherapy, Boston University, CE Course Completed

Now Hanam Leepyeonhan Dental Clinic CEODirector

American Implant Society (AAID) member International Society of Implants (ICOI) Regular member Korean Prosthodontic Society Excellent prosthodontist Korean Aesthetic Prosthetic Society Full member Prosth-line fellowship member Full member of Open Doctors Association