Professor of Ophthalmology, Joslin Diabetes Center, Harvard Medical School

Professor of Clinical neuro-epidemiology

Chicagoland Retinal Consultants

Professor, Tufts University School of Medicine, New England Eye Center

Medical College of Wisconsin

Department of Biomedical Engineering, Northwestern University

University of Western Australia

Oxford Eye Hosptial, University of Oxford

Distinguished Professor, Indiana University

Reader, University of Edinburgh