Dr Reyes is an MS fellow based at the Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London and the Department of Neurology, Barts and The London NHS Trust. As an MS fellow, Dr Reyes provides clinical care to people with MS and other demyelinating diseases, and is involved in a large spectrum of clinical research in MS. His research interests include Vaccination in people with MS, Neurofilaments and Social Capital.

Dr Reyes completed his MD at the Universidad de los Andes in Bogotá, achieving first national place in the official exam for medical students in Colombia (ECAES, 2012). He then trained as a Clinical Neurologist at the Universidad El Bosque in Bogotá, before winning the ECTRIMS Clinical Training Fellowship in 2018.

Dr Reyes currently serves on the scientific steering committee for the Treatment and Research in Multiple Sclerosis online conference (triMS.online). In addition to his work in the UK, Dr Reyes has worked with the MS and related disorders research group from the University Hospital of Fundación Santa Fe de Bogotá (FSFB), which is known in Colombia and Latin America for its pioneering work on the epidemiology, genetic predisposition and environmental risk factors for MS in their population.