Clemens is a Managing Director and co-owner of interactive instruments since more than 20 years. He is an expert in the field of spatial data management. A key topic of his projects in recent years is bringing spatial data and Web technologies closer together, for example, as the lead editor of the first OGC API standard of the Open Geospatial Consortium (see https://github.com/opengeospatial/WFS_FES). He also contributes to an open-source implementation of the emerging OGC API family of standards (ldproxy). Clemens is an advocate of open standards for spatial data and has been contributing to their development in OGC, ISO and W3C for more than 20 years.