Seoul National University College of Dentistry, DDS degree and Ph.D. Degree
UCLA School of Dentistry, MS Degree, USA
University of Pennsylvania Orthodontics Residency & Faculty, USA
Certified Orthodontist from American Board (ABO) and Korean Board
ABO Diplomate (American Board of Orthodontics)
Seoul National University Bundang Hospital, Faculty as Adjunctive Professor
Hallym University Medical Center, Faculty as Adjunctive Professor
CHA University Medical Center Orthodontics, Professor, Korea

Director, Institute of Clinical Research and Development, Graph Inc., Korea
AJOU University Graduate School of Clinical Dentistry, Advisory Professor