Dr. Ryerson holds various civic, private, and academic roles, including the UPS chair of transportation, associate professor at two departments within the University of Pennsylvania, and the research director for Mobilty21, a USDOT national university transportation center.

​Dr. Ryerson’s major contributions are in the field of transportation infrastructure planning and demand forecasting. In addition, Dr. Ryerson is focused on expanding the pedagogical reach of urban planning, embedding megaregional and intercity transportation issues into the discourse.

 Throughout her academic, civic, and consulting work, Dr. Ryerson advances the design of ​transportation systems that are safe, efficient, and resilient.