Tracey Woodruff, PhD, MPH is a leading scientist who has produced seminal research on how harmful chemicals and pollutants impact health, pregnancy, and child development, including the first international study to document the effects of air pollution and preterm birth and the first to document toxic chemicals in pregnant women and newborns. A national expert in chemical and regulatory policy, Dr. Woodruff was a senior scientist and policy advisor for the U.S. EPA’s Office of Policy prior to joining UCSF.