• Senior Software Engineer @ Cadcorp
• Charter Member @ OSGeo

I regularly contribute to the following Open Source projects:

• Boost.Geometry (supporting developer)
• Boost.GIL (maintainer)
• GDAL/OGR (developer, former maintainer)
• libLAS (co-founder)
• GEOS (former member of development team)
• nanodbc (member of development team, maintainer)
• OSRM (contributor)
• PDAL
• PostGIS Raster (co-developer)
• SOCI (former maintainer)
• WCELIBCEX (founder)

I also submitted minor contributions to Valhalla, libspatialindex, PROJ.4, GeoTIFF, libGD, C++/Tk, Feature Data Objects (FDO) (worked on PostGIS provider), and others.