Dag Aarsland, MD, is Professor and Head of Department of Old Age Psychiatry,Institute of Psychiatry, Psychology and Neuroscience at King’s College London, and Research Director at the Centre for Age-Related Medicine, Stavanger University Hospital. As a psychiatrist he has worked as a senior consultant in geriatric psychiatry for most of his career. His main research interest is the neuropsychiatric aspects of patients with neurodegenerative diseases, in particular translational studies on cognitive decline in Parkinson’s disease and dementia with Lewy bodies. He is PI of European DLB Consortium, member of the Scientific board of LBDA, Member of International DLB Consortium, PI of the Western Norwegian Dementia study and the Prodromal LBD study. He has published more than 400 papers in DLB and related areas, including clinical trials, cohort studies, and a wide range of biomarkers including imaging, CSF and EEG.