José Cunha-Vaz, M.D., Ph.D., is Emeritus Professor of Ophthalmology of the University of Coimbra, Portugal, and Honorary President of the Association for Innovation and Biomedical Research on Light and Image (AIBILI), a not-for-profit Clinical Research Organization. He is also the Coordinator of the Diabetic Retinopathy and Retinal Vascular Diseases Section of the European Vision Institute Clinical Research Network (EVICR.net). Dr. Cunha-Vaz’s work has included laboratory and clinical research in retinal and intraocular fluids with special emphasis on blood–retinal barriers and diabetic retinopathy. He is also dedicated to the characterization of different phenotypes and biomarkers of diabetic retinopathy. He was the first to describe the blood–retinal barrier and initiated clinical vitreous fluorometry and multimodal macular mapping. He was PI for research grants funded by NIH (USA), FCT (Portugal), European Union Research Programmes, and others. He participated as PI in a large number of studies, especially involving therapies for retinal diseases. Dr. Cunha-Vaz has authored and co-authored over 500 peer-reviewed papers and books and received many awards for his career achievements.