David F. Chang, MD, is a graduate of Harvard College and Harvard Medical School. He is clinical professor at the University of California, San Francisco where he completed his residency. Dr. Chang served on the ASCRS Executive Committee from 2009-2023 and served as the 2012 president. He is a past chair of the AAO Cataract Preferred Practice Pattern Panel and the AAO Annual Meeting Program Committee. Dr. Chang previously served as chief medical editor of EyeWorld, and Cataract and Refractive Surgery Today. He is past chair of the ASCRS Foundation and received the 2019 AAO Humanitarian Service Award and the 2020 Aravind Venkataswamy Award. Dr Chang is co-founder and the advisory board chair of EyeSustain, a global consortium of eye societies advancing sustainability in ophthalmology.