He has been working with geospatial software for over a decade: consulting to government and industry; building a geospatial software company; and programming on open source. He founded the PostGIS spatial database project in 2001, and is currently an active developer and member of the project steering committee. In 2008, Paul received the Sol Katz Award for achievement in open source geospatial software. Paul speaks and teaches regularly at conferences around the world.