Ophthalmologist Professor of Ophthalmology at Eulji University Hospital Seoul National University Hospital Ophthalmology Training

Full member of the Korean Society of Ophthalmology Full member of the Korean Society for Cataract and Refractive Surgery (KSCRS) Full Member of the American Society for Cataract and Refractive Surgery (ASCRS) Full Member of the European Society of Cataract and Refractive Surgery (ESCRS) Full Member of the Korean Society of Ophthalmology (KOS) Full Member of the American Academy of Ophthalmology (AAO) Full member US Period Regular member of the Society for Research and Development (ARVO)