Ellen (Ellie) Caniglia is a perinatal and HIV epidemiologist who works to improve health outcomes among pregnant people and their children, and among people with HIV. She completed her doctorate in Epidemiology from the Harvard Chan School of Public Health and is now an Assistant Professor at the University of Pennsylvania. She has been working with the Tsepamo Study in Botswana since 2016. Her current work is funded by a K01 award from the National Institutes of Health to estimate the effects of multiple micronutrient supplementation strategies during pregnancy on adverse birth outcomes, to identify barriers and facilitators to supplementation, and to pilot an intervention to provide supplementation at antenatal clinics in Botswana.