• Completed Jules Stein (UCLA) Fellow in the U.S.
• Registered Member of Korean Ophthalmology Association
• Registered Member of U.S. Ophthalmology Association
• Registered Member of Korean Refractive Surgery Association
• Registered Member of U.S. Refractive Surgery Association
• Global Ambassador Group Member
• Member of IROC Society of Cataract and Refractive Surgery
• Instructor of ICL Training Course
• Awarded as World's Best Doctor for ICL
• Artiflex Best Skilled User
• Board Member of Korean Medical Laser Institute