Aaron’s research centers on sustainable transportation, with a focus on e-bike purchase incentive programs in California, safety outcomes in micromobility, and the spatial distribution micromobility crashes. His work integrates policy analysis, spatial methods, and transportation safety research to better understand how emerging mobility options can advance accessible and sustainable urban transportation systems. Beyond his research, Aaron is committed to promoting active transportation and advocates for the development of safe, accessible infrastructure that broadens mobility choices for all communities.