Professor of Epidemiology, Faculty of Health Sciences, American University of Beirut (AUB). Co-founder AUB University for Seniors program; Founding Director, Center for Studies on Aging, Lebanon. Board Member HelpAge International, UK; Member: WHO-Geneva Expert Advisory Panel on Ageing and Health; National Committee on Aging. Board Member and Consultant, NGOs and governmental agencies. Author of over 250 scholarly articles, book chapters and reports, mostly on ageing and older adults.