Elizabeth (Liz) Williams, PhD is the Director of Data and Policy in the Office of Transportation Planning at the Massachusetts Department of Transportation (MassDOT). She is responsible for coordinating projects and data within and between MassDOT offices and partner agencies and ensuring objectives and strategies are consistent. Liz has fifteen years’ experience in the economic and social policy and research field and held positions with the MBTA, the UMass Donahue Institute, the Dukakis Center for Urban and Regional Policy, and the American Institutes for Research prior to MassDOT. Liz is trained as an urban sociologist and has a Bachelor’s degree from Clark University, a Master’s degree from George Washington University, and a PhD from Northeastern University.