David Birnbaum is the Co-founder and Managing Partner of Five Four Ventures. See portfolio, sector focus and contact routes.
David Birnbaum is the Co-founder and Managing Partner of Five Four Ventures, an incubation and venture capital firm headquartered in New York City that he established to build businesses and make strategic investments. His firm targets early-stage minority investments across technology, entertainment, lifestyle, health & wellness, sports, wearables, AI, blockchain, and biotechnology, typically providing seed to Series B funding ranging from $250,000 to $5 million. Five Four Ventures operates as an early-stage investor focusing on digitally-powered consumer brands and disruptive technology with scalable models. While specific lead or follow behavior for Birnbaum individually is not explicitly detailed in available sources, the firm focuses on early-stage minority investments. Notable portfolio companies are not named in the provided search results, though the firm has invested in startups across its stated sectors. The available sources do not contain information regarding Birnbaum’s distinctive point of view, public writing, or specific named portfolio companies to include in this profile.
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