Ophthalmologist Graduated from Catholic University College of Medicine Graduate School of Medical School, Catholic University of Korea Graduate School of Medicine,

Now Sejong Woori St. Marys Eye Clinic CEODirector

, Korean Ophthalmology Society Full member, Korea External Eyes Research Society (Keeds) Full member Korea Cataract and Refractive Surgery Society (kscrs) Full member Korea Contact Lens Research Society Full member Korean Optometry Society USA Full member of the Cataract and Refractive Surgery Society Regular member of the European Society of Cataract and Refractive Surgery