Director, National Eye Institute, National Institutes of Health

Cole Eye Institute, Cleveland Clinic

Professor Ophthalmology, Duke University Duke Eye Center

University of Leicester

Professor, Ophthalmology and Visual Sciences, University of Iowa

Professor of Ophthalmology, Cleveland Clinic Abu Dhabi

Professor of Ophthalmology, University of Pittsburgh

National Eye Institute

University of Oklahoma/Dean McGee Eye INstitute

Professor of Ophthalmology, Tel Aviv University, Shamir Medical Center