Stephan Schubert is the founder and Managing Partner of STS Ventures. See sector focus and contact routes.
Stephan Schubert is the founder and Managing Partner of STS Ventures, a Cologne-based early-stage venture capital firm that consolidates his business angel activities. He is a serial entrepreneur who founded and exited four companies, including OnVista AG and IS.Teledata AG, before becoming an active investor in the late 1990s. His investment thesis targets Pre-seed and Seed stages in SaaS, E-commerce, Digital Health, and Marketplaces within the DACH region. Schubert typically invests between €200,000 and €1 million (or up to $5 million) per deal, positioning the firm between traditional angels and venture capital. Notable portfolio companies include JustWatch, ottonova, November, and Audibene, with successful exits also including kaufDa and Emma. Schubert distinguishes himself by advocating for the “camel startup” playbook, which prioritizes capital efficiency, disciplined KPIs, and sustainable growth over the Silicon Valley “unicorn-or-bust” mentality.
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