Stefan Schieber

Founder @Stealth Startup

Berlin, DE

Built a platform-optimized music venture through performance marketing turning Meta ad traffic into compounding streaming royalties.• Developed data infrastructure integrating Meta Ads and Spotify analytics to monitor ROI metrics (e.g, cost per 1 streams, retention, organic uplift), and creative infrastructure through AI-assisted production workflows to enable scalable, low-touch operations.• Reduced cost per 1 streams from ~€14.9 → €3–5 within six weeks and reached first profitability with 25–30 % of streams stemming from organic sources (i.e. algo pickup and recurring listeners).• Previously built and tested 4+ AI-powered MVPs: AI lead generation, AI video engine, music label OS, and generative SEO monitor.