Dr. Sherif El-Defrawy is Nanji Family Chair in Ophthalmology and Vision Sciences, professor, and chair of the Department of Ophthalmology and Vision Sciences at the University of Toronto, and ophthalmologist-in-chief at Kensington Eye Institute. He is a past president of the Canadian Ophthalmological Society and the Association of Canadian University Professors of Ophthalmology; and most recently he was cochair of the Eye Health Council of Ontario.