Professor Fischer is appointed Ophthalmic Surgeon at the Oxford Eye Hospital and Full Professor of Ophthalmology at the University of Oxford. He holds further appointments as Professor at the University of Tübingen (German), the University of Lausanne. 

Dominik is also a Consultant Ophthalmologist and Vitreoretinal Surgeon at the retina clinic London. After receiving his MD for research performed as a Visiting Scholar at the University of Pennsylvania, he completed his speciality and sub specialty training with Ulrich Bartz Schmidt and Eberhart Zrenner in Tübingen and received his second doctorate (DPhil) for developing a new form of retinal gene therapy with Robert McLaren at Oxford. He is the recipient of more than 25 awards, among them the Leonard Klein award for the advancement of vitreoretinal surgery on the Senator H. Wacker award for scientific contributions to the field of retinal disease.

Professor Fisher continues to lead clinical trials in Oxford and Tübingen as chief investigator of the first global post approved safety study for ocular gene therapy, as key opinion leader in the field, he serves on the Advisory Board of patient advocacy groups, academic institutes, biotech and pharmaceutical industries and has been an expert advisor to governmental regulators. He has given more than 100 invited lectures across the world and published extensively on the topic of neuroscience, vision, retinal disease, and novel therapeutics.