Professor Kalaria is the lead organiser of the Symposium. He has acted in a similar capacity for Symposia held in 2001, 2007 and 2012. Prof Kalaria is also the liaison officer between the International Brain Research Organisation (IBRO) and World Federation of Neurology (WFN). He has an international reputation for work on dementia and was instrumental in developing the ‘vascular hypothesis of dementia including Alzheimer’s disease’ and on risk factors of VaD and AD in indigenous populations of developing countries. Most recently, he worked with the Fogarty International Centre to produce (as co-Editor) a series of review articles in the Nature Supplement on Brain Disorders Across the Life Span (Silberberg et al., 2015).