Dr. Kristian Steen Frederiksen is a neurologist at the Danish Dementia Research Centre and the Memory Clinic at Rigshospitalet, Denmark. He has a PhD in neuroscience and neuroimaging, and main research interests includes clinical application of biomarkers, neuroimaging, and exercise as a possible treatment of dementia and cognitive impairment. Dr Frederiksen has published more than 40 scientific papers in peer-reviewed journals and a book chapter and serves on the European Academy of Neurology scientific subpanel on dementia and cognitive disorders. Professor Gunhild Waldemar is the Director of the Danish Dementia Research Centre in Copenhagen, Denmark. Professor Waldemar has authored more than 300 peer-reviewed scientific papers and book chapters on various aspects of dementia research and clinical aspects. Moreover, Professor Waldemar serves on numerous boards and other international positions within dementia and medicine in general and has received several Danish and international awards for her work.