Prof. Dr. Ulrich Kellner was born in 1958. After studying in Essen and completing his specialist training at the Center for Ophthalmology, Essen University Hospital, he completed his habilitation and became a professor at the Benjamin Franklin Hospital, Free University Berlin. In 2004, he co-founded the Siegburg Eye Center. From 2011 to 2024 he has been the MVZ Medical Director, and since 2014 he has been the Managing Director of the Siegburg Eye Center GmbH (MVZ Augenärztliches Diagnostik- und Therapiecentrum Siegburg GmbH), which is harboring the Rare Retinal Disease Center. His research focuses on early detection and differential diagnosis of inherited and acquired rare retinal and visual pathway diseases, including the application of retinal imaging, retinal function testing and artificial intelligence.