Jan Semmerling is the Geschäftsführender Gesellschafter at Diamant Software GmbH since 2024. They also serve as Geschäftsführer at JS Invest GmbH and Diamant Immobilien GmbH & Co. KG, both positions held since 2020. Jan earned a Master of Science in Internationales Marketing from PFH Private Hochschule Göttingen, completing their studies in 2012.
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