Megan Wier, MPH is director of the program on Health, Equity and Sustainability in the Environmental Health Branch at the San Francisco Department of Public Health, where she and her team develop and apply innovative approaches to using health data and evidence to inform safe, sustainable and equitable planning and policy in collaboration with local communities and government agencies. Megan co-chairs the San Francisco Vision Zero Task Force and oversees comprehensive, collaborative data systems in support of evaluation, monitoring and analysis of San Francisco’s evidence-based transportation injury prevention initiatives.