Director, National Eye Institute, National Institutes of Health

Professor of Neurobiology & Visual Science, The University of Sydney

Oregon Health & Science University

The University of Melbourne

Professor of Ophthalmology, University of Queensland

Assistant Professor, Department of Ophthalmology, Harvard Medical School

Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India

Professor of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of

Associate Professor, Ophthalmology, Medical College of Wisconsin

Former Professor & Head of Ophthalmology PGIMER, Chandigarh, India