Milisav Radmanić – is a contributor to Open Source and its success for more than 30 years. Working at SUSE he was instrumental for the delivery of SLE for SAP, SUSE Ceph Storage, SUSE Cloud and finally for the whole Enterprise Linux platform. As vice chairman of the Open Source Business Alliance he facilitated the Sovereign Cloud Stack project and the openDesk project of the German Ministry of the Interior. In his current role as Head of Software Development at Hetzner, he is driving forward Hetzner's vision for energy-efficient and affordable IT infrastructure delivery.