BioMarkus Neteler, PhD, is a Geographer and Open Source GIS enthusiast. After 15 years working as a researcher in Italy (remote sensing for environmental risk assessment, epidemiological GIS modelling, vector-borne diseases, biodiversity, and Free Software GIS development), in 2016 he joined mundialis (https://www.mundialis.de) as a partner and general manager focusing on remote sensing and big geodata processing. Markus is project coordinator of GRASS GIS and founding member of FOSSGIS.de, GFOSS.it, and OSGeo.org. He is author/co-author of two books on GRASS GIS and over 70 papers on GIS applications. He is founding-member of the OSGeo Foundation (https://www.osgeo.org) and served on its board of directors between 2006-2011. In 2006, he was honored with the international Sol Katz Award for Geospatial Free and Open Source Software.