Self-sovereign mapping. Run your own map. Keep web maps open.

I'm a geospatial engineer working at the intersection of open technology and international development.

• Cloud-native, self-hosted mapping
• Vector tiles and portable mapping systems
• Generative UI for spatial interfaces
• Distributed geospatial infrastructure

• Co-chair, UN Open GIS Initiative
• Lead, UN Smart Maps Group
• Head of Hokkaido Regional Survey Department, Geospatial Information Authority of Japan

• PMTiles
• MapLibre GL JS
• Tippecanoe, GDAL, and Unix CLI tools
• Generative AI

• UN Smart Maps Group: https://unopengis.github.io/smartmaps/

✨ Run your own map.