Dr. Marco Pitteri is Principal Clinical Neuropsychologist and Clinical Lead for Multiple Sclerosis and Traumatic Brain Injury (TBI) at the National Hospital for Neurology and Neurosurgery, UCLH, London, and a Research Fellow at the Queen Square Multiple Sclerosis Centre, UCL Queen Square Institute of Neurology. Trained in Neuropsychology at the University of Padova, Italy, he has held clinical, research, and academic appointments in Italy and the UK, with extensive teaching experience in neuropsychology and cognitive neuroscience. His research focuses on cognitive impairment and its neuroimaging and biological correlates in multiple sclerosis. He serves on the editorial boards of international scientific journals and has published extensively in leading international journals in neuropsychology, cognitive neuroscience, and multiple sclerosis research.