Dr. Tooze is a biostatistician with expertise in longitudinal data analysis and nonlinear mixed effect models, with specific applications to diet and physical activity assessment. Since 2002, she has been a member of the Surveillance Measurement Error Group of the National Cancer Institute. In this capacity, she has developed methods for estimating the usual intake of foods and nutrients in a unified framework, with applications to nutritional surveillance and epidemiology. Dr. Tooze received a PhD in Biometrics from the University of Colorado Health Sciences Center and an MPH from the Harvard School of Public Health.