Ophthalmologist Graduated from Yonsei University College of Medicine Graduated from Yonsei University College of Medicine Graduate School of Medicine Graduate School of Yonsei University College of Medicine

Full member, Korean Society of Ophthalmology Full member, Korean Glaucoma Research Society Full member ESCRS (European Society for Cataract Refractive Surgery) Full member ASCRS (American Cataract Refractive Surgery) Surgical Society) Regular member KSCRS (Korea Cataract and Refractive Surgery Research Society) Regular member KCLS (Korea Contact Lens Research Society) Regular member AOGS (Asia-Oceania Glaucoma Interest Group) Regular member SEAGIG (South East Asia Glaucoma Interest Group) Regular member WGC (World Glaucoma Congress) regular member ARVO ( Full member of Association for Research in Vision Science and Ophthalmology, full member of AAO (American Academy of Ophthalmology)