Julie Leask is a social scientist and professor in the Susan Wakil School of Nursing and Midwifery, University of Sydney. She has qualifications in nursing and midwifery, with a Master of Public Health (1998) and PhD (2003) from the University of Sydney. Her research focuses vaccination uptake, programs and policy, and health communication and she has 125 publications in the field. Julie is chair of the WHO Working Group on Measuring Behavioural and Social Drivers of Vaccination and sits on the WHO Immunization and Vaccines related Implementation Research advisory committee. Julie won the Public Health Impact Award and the Sax Institute Research Action Award in 2015. In 2019, her team won the Vice-Chancellor’s Award for Research Engagement and Innovation for the Sharing Knowledge About Immunisation package. That year, she was named as one of the Australian Financial Review's 100 Women of Influence.