Johannes Grassler is an active OpenStack developer, currently specializing on Heat, Magnum and Monasca but also dabbling in other projects as the need arises. He currently works as a Cloud Developer for SUSE Linux GmbH. Before that he used to work at SysEleven GmbH, where he built, operated and used an OpenStack cloud since 2014. He has been an an active member of OpenStack DACH e.V., a German OpenStack user group since its inception in 2014. He has previously spoken at the Barcelona OpenStack Summit and OpenStack DACH Day 2016 (Berlin, Germany).