Gabby Hines is an associate on the Public Health team at the Milken Institute. During her graduate studies, Hines worked with the California Environmental Protection Agency's Department of Toxic Substances Control, where she identified hazardous chemicals in children’s toys and care products. She also conducted research at Emory University’s Laboratory for Exposure Assessment and Development in Environmental Research, focusing on biomarkers of exposure to environmental toxicants in maternal and fetal populations.

Hines holds an MS in toxicology for human risk assessment from the Johns Hopkins Bloomberg School of Public Health and dual bachelor's degrees from Emory University: a BS in anthropology and human biology and a BA in human health.