Seth LaJeunesse is the Associate Director of Health and Community Sciences with the University of North Carolina Highway Safety Research Center where he designs studies that draw from the social and systems sciences to advance road user safety and access. Seth has served as principal investigator (PI) on several cross-disciplinary teams toward addressing complex traffic safety problems for the North Carolina Governor’s Highway Safety Program, National Cooperative Highway Research Program, United States Department of Transportation, and the AAA Foundation for Traffic Safety. He is a member of the Association of Pedestrian and Bicycle Professionals (APBP) and the Institute of Transportation Engineers (ITE), and provides subject matter expertise on the Safe System and pedestrian and bicyclist safety for the National Safety Council’s Mobility and Safety Advisory Group and Smart Growth America’s Complete Streets Metrics Advisory Committee.