Lauren Griffith is an associate professor in the Department of Clinical Epidemiology and Biostatistics at McMaster. She holds a PhD in epidemiology from the University of Toronto and a master’s degree in biostatistics from the University of Michigan. Her research interests include physical functioning, injury and aging as well as the harmonization of longitudinal data. Since joining the Canadian Longitudinal Study on Aging (CLSA) in November 2007, Dr. Griffith has worked on the analysis and reporting of several feasibility studies and the development of the CLSA protocol. In 2011, she served as interim national manager of the CLSA, and is currently the lead of the Hamilton Data Collection Site.