Joan Perez is an independent researcher and founder of Urban Geo Analytics, a research and consulting practice focused on geospatial modeling, AI for cities, and open-source urban analytics. His work sits at the intersection of computer vision, vision-language models, and urban spatial analysis. He is the lead developer of UVLM, an open-source Python package for unified VLM inference and comparison, and of SAGAI, a workflow for streetscape analysis using generative AI. ORCID: 0000-0003-3003-0895.