Feinberg Professor, Northwestern UNiversity

University Eye Clinic, San Giuseppe Hospital, IRCCS MultiMedica, Milano,Italy

Professor and Chair, Department of Ophthalmology, University of California, San Francisco

Oxford

Professor & Head Department of Ophthalmology Sri Guru Ram Das Institute of Medical …

Fellow at Vitreous Retina Macula Consultants New York

Private Office

Ophthalmology Director, Organizacion Medica de Investigacion

University of Ulster

National and Kapodistrian University of Athens