PostgreSQL Person of the Week Interview with Vincent Picavet: My name is Vincent Picavet. Originally an applied maths engineer, I created and run Oslandia since 2009, focusing on Open Source Geographical Information Systems 🌍, namely QGIS, PostGIS. I live in France in the Drôme valley, work remote since 2009, and speak French, English, Spanish and German. My favorite projection is an octant projection with Reuleaux triangles.