Dr. Julia Knight is a Senior Scientist at the Lunenfeld-Tanenbaum Research Institute of Sinai Health System and a member of the Prosserman Centre for Population Health Research. She is also a Professor at the Dalla Lana School of Public Health at the University of Toronto in the Division of Epidemiology. She is currently a co-Director of the Ontario Birth Study and the OBS-Kids follow-up. She is interested in how what happens during pregnancy and early life affects child development and influences the risk of adult conditions. She is also an investigator in the LEGACY Girls Study following over 1000 girls in the US and Canada through puberty.