Roland Haas, based in Oensingen, SO, CH, is currently a Co-Geschäftsführer at Siaxma AG, bringing experience from previous roles at Siaxma AG and R+B engineering ag. Roland Haas holds a 2020 - 2022 Dipl. Betriebswirtschafter NDS / HF @ HSO Wirtschafts- und Informatikschule.