Sylvain Zimmer is Head of the CTO Office and Staff Software Engineer at Contentsquare. See portfolio, sector focus and contact routes.
Sylvain Zimmer is Head of the CTO Office and Staff Software Engineer at Contentsquare, a role he previously held while leading projects for over 450 developers, and he is also a Partner at the venture firm 50 Partners. As an angel investor with approximately 120 documented investments, his thesis targets pre-seed and seed stages in software/SaaS, B2B, AI, and healthcare sectors across France and Europe. He typically invests check sizes ranging from €25,000 to €100,000 for pre-seed/seed rounds, often co-investing as a follow investor alongside firms like Kima Ventures, Partech, and Daphni. Notable portfolio companies include Sketchfab, Agricool, Cycloponics, and Jamendo, the music-tech startup he co-founded which was later acquired. Zimmer is a fervent defender of open-source culture and free software, having co-founded dotConferences and curated events under Welcome to the Jungle, reflecting his deep commitment to the developer ecosystem.
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