Graduated from Yonsei University College of Medicine Doctor of Medicine from Yonsei University College of Medicine Training in Sinchon Severance Hospital USA Minnesda st. Johns Hospital training Rochester Mayo Cinic training, USA

Now Nonhyeon Yonsei Clinic CEODirector

Full member, Korean Obesity and Bodybuilding Society Member, Korean Treatment LASER Society Member, Korean Society for Complementary and Integrative Medicine Member, Korean Society for Clinical Health Promotion Member, Korean Pain Society Member, Korean Hypertension Society Member The Korean Society of Family Medicine