Professor Marios Politis is a professor of neurology and neuroimaging, consultant neurologist, the director of the Neurodegeneration Imaging Group, and the head of Neurology Unit at King’s College London. His research involves clinical observation, and the use of PET and MR imaging as a method of investigating etiology, pathophysiology, and effects and complications of novel therapies in neurodegenerative disorders such as Parkinson’s disease. He has served as chief investigator in a number of observational and interventional trials. Professor Politis has received a high number of awards and distinctions such as from the Movement Disorder Society, Royal College of Physicians, Society of Nuclear Medicine and Molecular Imaging, and European Academy of Neurology. He is a recipient of the Jon Stolk Award in Movement Disorders from the American Academy of Neurology.