NEPA Clean Energy Review Analysis Built a Python BERT+LLM pipeline for the Clean Air Task Force to extract and classify 120,000+ federal environmental review documents, enabling evidence-based permitting reform recommendations. San Jose Transit Equity Spatial analysis of zoning, parcel capacity, and public transit access around Diridon Station to assess transportation equity in downtown San Jose. NYC Voter Turnout Analysis Applying Bayesian surname geocoding, multilevel regression with poststratification, and LLMs to study ethno-racial voter turnout patterns across 4.6 million NYC voter registration records. SF Residential Inspection Risk Built composite risk scores for San Francisco parcels using fire, violation, and inspection records, and deployed interactive Shiny dashboards for the SF Fire Department and Department of Building Inspection. Superdiversity Developed an interactive website visualizing New York metropolitan superdiversity, combining data analysis, cross-functional team leadership, and public-facing demographic insights. Housing Literacy Online tool annotating NYC rent regulations, empowering rent-stabilized tenants and supporting advocates with accessible resources, policy analysis, and data tools.