Prof. Hungwon Tchah, Professor at the University of Ulsan Department of Ophthalmology, is a recognized leader in corneal, cataract, refractive, and laser surgery. He has been at the forefront of ophthalmology’s evolutionary changes throughout his career as a researcher, educator, lecturer and acclaimed physician and surgeon. Prof. Tchah served as President (2009-2011) and General Secretary of the Korean Society of Cataract and Refractive Surgery and as Head (2007-2009) of the Korean Corneal Disease Study Group. He also served on the Korean Ophthalmological Society (as Director of Academic Affairs), Korean External Eye Disease Society, and Korean Contact Lens Society. He is currently a member of the Board of Officers of the APACRS. Prof. Tchah has published almost 200 peer reviewed journal articles and is Regional Editor in Chief of the Korean editions and a member of the international advisory group of EyeWorld, the news magazine of the APACRS.