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Klaus Schiffer has a strong background in sales and business development, with experience in various companies such as The 4JET Group, 4JET microtech GmbH, Roth & Rau / OTB Solar, and more. With a degree in Physikalische Technik (Biomedizin) from FH Aachen University of Applied Sciences, Klaus has held titles such as VP of Business Development, Director of Sales, and General Manager Optimize. Klaus also has experience as a Project Manager and Software Developer.