Michael Brehm is the Founding Partner of Redstone.VC, a European venture capital firm he co-founded with. See portfolio, sector focus and contact routes.
Michael Brehm is the Founding Partner of Redstone.VC, a European venture capital firm he co-founded with a strategy-driven model and proprietary analytics platform called SOFIA, drawing on his background as a serial entrepreneur who previously led StudiVZ and founded Rebate Networks and i2x. His investment thesis targets Seed and Series A stages in deep tech, AI, robotics, digital health, fintech, and enterprise applications, primarily across Europe with a focus on Germany. Typical check sizes range from €200,000 to €5,000,000, and while his lead versus follow behavior is not explicitly detailed, he is noted as an active angel investor in over 50 to nearly 100 startups. Notable portfolio companies include Atheneum.ai, MrSpex, Qdrant, Lieferando, and Kreditech, several of which achieved high-profile exits. Brehm distinguishes his approach by building Redstone “like a startup” rather than a traditional fund, combining deep sector expertise with data-driven, evidence-based investment decisions to support founders at scale. He has also played a key role in expanding the German start-up ecosystem over the past two decades and advises major corporations o
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