Sam Callen
Volunteer leader of Strong Towns PDX and consultant at Flywheel Companies focusing on housing challenges and urban design, using GIS to analyze land use and infrastructure.
Best podcasts with Sam Callen
Ranked by the Snipd community
Feb 26, 2026 • 59min
From Empty Lots to Budget Gaps: Mapping Portland
Jeremiah Vaya, a Strong Towns PDX leader using GIS to model redevelopment and municipal finance, and Sam Callen, a volunteer leader and housing-focused urban designer who analyzes land use with GIS. They map vacant lots, model road and pipe costs, estimate tax gains from removing a downtown highway, and propose a vacancy fee to nudge redevelopment.
