Erica Walker, ScD, MS, is an Assistant Professor of Epidemiology at the Brown University School of Public Health. She has extensive experience with environmental exposure assessments, environmental exposure modeling, community surveying, and community engagement. She also runs the Community Noise Lab at Brown University. The lab’s primary aim is to explore the relationship between community noise and health, holistically, by working directly with communities to support their specified noise issue using: real-time monitoring and exposure modeling; the smartphone app, NoiseScore; community noise surveying via the National Environmental Quality Survey; laboratory-based experiments, and community engagement activities.