Mike Gresham is a geospatial professional with over 20 years’ experience applying GIS to large-scale infrastructure, environmental assessment and spatial data management projects across Australia and New Zealand. His work focuses on supporting the planning and delivery of complex linear infrastructure such as rail corridors, transmission networks and resource developments. Mike has collaborated closely with engineers, environmental scientists and project planners to integrate spatial data into decision-making processes. He is particularly interested in the growing role of open-source geospatial technologies - including QGIS, PostGIS and Geoserver - in supporting infrastructure planning and spatial analysis.