Iracema Leroi is Professor in Geriatric Psychiatry, Trinity College Dublin (TCD), Ireland, Director of the Global Brain Health Institute (Trinity), and a consultant geriatric psychiatrist at St James’ Hospital, Dublin.Kim-Huong Nguyen is Senior Lecturer and Health Economist at the School of Public Health, Faculty of Health, Medicine and Behaviour Science, the University of Queensland, Australia.Agustin Ibañez is Professor in Global Brain Health, Trinity College Dublin, and Director of Latin American Brain Health Institute (BrainLat) at Universidad Adolfo Ibanez (UAI), Chile.Hany Ibrahim is Assistant Professor of Geriatric Medicine at the Geriatric Medicine and Gerontology Department Faculty of Medicine – Ain Shams University, Cairo, Egypt.