Mary A. Fox

Mary A. Fox, PhD, MPH, is an Associate Professor at Johns Hopkins University Bloomberg School of Public Health in the Department of Health Policy and Management. Her work bridges epidemiology, toxicology, and environmental science to advance cumulative risk assessment methodologies and inform public health policy. Affiliated with the Center for Human Nutrition and the Risk Sciences and Public Policy Institute, Fox focuses on how chemical and nonchemical stressors interact to drive health disparities, particularly in marginalized communities like fenceline areas.

• Doctorate in Environmental and Occupational Health Policy, Johns Hopkins University (2001)
• Master’s in Public Health, University of Rochester (1989)

Her research emphasizes:

• Cumulative risk assessment frameworks
• Chemical mixture exposures
• Public health policy communication
• Community-based participatory research
• Environmental justice in Pennsylvania fenceline communities
• Drinking water safety and accessibility

Recent publications highlight her work on:

• Improving drinking water reports via user-centered design
• Assessing VOCs in fenceline communities
• Linking transportation planning to health equity

Scientific recognition includes:

• Bloomberg American Health Initiative Spark Award (2021)
• AAAS Risk Policy Fellowship (2001)
• Phi Beta Kappa (1987)

She has contributed to national policy discussions on toxics, climate change adaptation, and dietary supplement risks. Her teaching role prepares future public health professionals to address complex environmental challenges.