His research focuses on understanding relationships between transportation, urban design, public health, and social equity. He has a Ph.D. from Portland State University and a master’s degree in city planning from UC Berkeley. He is currently the lead researcher on a multi-year CDC-funded project investigating barriers to active transportation and perceptions of walkability in Latino neighborhoods in Pima County, Arizona. This research is currently being expanded to other cities through a grant from NITC. Other research includes an ongoing national investigation of location efficiency within two of the largest federal affordable housing programs in the U.S. and experimental research on racial bias in driver yielding to pedestrians...