Helen Dimaras, PhD, is Director of Global Eye Health Research in the Department of Ophthalmology & Vision Sciences at The Hospital for Sick Children and Scientist in the Child Health Evaluative Sciences program and Centre for Global Child Health at the SickKids Research Institute. She is Associate Professor and Director of Global Health and Outreach in the Department of Ophthalmology & Vision Sciences, Faculty of Medicine, University of Toronto. She also holds cross-appointments to the Division of Clinical Public Health, Dalla Lana School of Public Health, and the Institute of Medical Sciences, University of Toronto. She holds a PhD in molecular and medical genetics (2007), and completed post-doctoral training in clinical trials and global health. Her work has contributed to the understanding of the molecular genetic development of the childhood eye cancer, retinoblastoma. She leads a research program that lies at intersection of global health, cancer genetics and clinical research. Much of her global work is focused on how to deliver optimal retinoblastoma care worldwide and improve patient outcomes.