Jennifer MacLachlan is an epidemiologist with the WHO Collaborating Centre for Viral Hepatitis at The Doherty Institute. Her work focuses on the innovative utilisation and analysis of publicly available datasets to identify disparities and inform public health, and she currently leads the National Viral Hepatitis Mapping Project. She conducts work in epidemiological analysis of chronic viral hepatitis in partnership with the Department of Health and Human Services Victoria, and is a collaborator in the Global Burden of Disease Project.