Suzanne Tyas is an Associate Professor in the School of Public Health and Health Systems at the University of Waterloo. She is a neuroepidemiologist specializing in longitudinal studies of aging and dementia, with particular expertise in predictors of cognitive states. These studies have included the Nun Study; the Kuakini Honolulu-Asia Aging Study; the Canadian Study of Health and Aging, the Canadian Longitudinal Study on Aging; the Manitoba Study of Health and Aging; and SMART (Statistical Modeling of Aging Risk Transitions), which is a data harmonization project spanning eleven major North American clinico-pathologic longitudinal studies of dementia. Her research focuses on early- and late-life predictors of the spectrum of cognition in aging, encompassing cognitive impairment, cognitive resilience and healthy aging, and includes the application of novel statistical methods.