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Cofounders Venture Management
David S. Rose runs Cofounders Venture Management, an early-stage firm seeding enterprise software and fintech startups from New York.
Cofounders Venture Management
Cofounders Venture Management operates as the investment vehicle for David S. Rose, a serial entrepreneur and angel investor who founded the firm to formalize his prolific early-stage deal activity. Rose's reputation was built across decades in the New York startup ecosystem, where he founded or co-founded technology companies and served as a cornerstone angel in ventures that would become household names before their Series A rounds. The firm's creation represents a structural shift from individual angel investing to a managed capital pool, though it retains the personal network-driven sourcing model that defined Rose's earliest deals. The firm's investment strategy concentrates on pre-seed and seed-stage companies in enterprise software, fintech, digital health, and AI/ML. Cofounders Venture Management typically takes the first or second institutional check, often co-investing alongside other operator-led funds and super-angels with deep domain expertise. Rose's documented investments, drawn from a track record spanning multiple economic cycles, include positions in companies that achieved material exits or unicorn valuations, though the firm does not publicly disclose a comprehensive portfolio list. The geographic focus skews toward New York City and the broader US Northeast corridor, reflecting Rose's position at the center of that founder network. The firm's structure and total assets under management remain undisclosed. Rose's operating role as both investor and startup mentor is a persistent feature of the firm's identity; he is known to actively advise portfolio companies on fundraising strategy and governance. In parallel, Rose serves as a Partner at True Global Ventures and maintains ties to multiple startup accelerators and pitch forums, creating a steady top-of-funnel for deal flow that bypasses traditional institutional sourcing channels. The defining structural differentiator for Cofounders Venture Management is its founder-attached deal flow. The firm is not a scaled, multi-GP venture platform but rather the institutional extension of a single operator's investment track record and personal brand. That architecture means bandwidth is finite and portfolio construction is deliberately concentrated, but it also means the firm sees deals—and wins allocations—in competitive early-stage rounds where access is gated by founder relationships rather than fund size.
General information
Firm type
Asset Manager
Year founded
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AUM
Undisclosed
Location
Region
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Country
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City
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Corporate office
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Principals
David S. Rose
Founder and Managing Partner
Sector focus
Frequently asked questions
Who runs investment decisions at Cofounders Venture Management?
David S. Rose, the founder and managing partner, is the primary decision-maker on all investments. The firm is structured around his personal track record and network, so deal evaluation and portfolio management flow directly through his office.
How does Cofounders Venture Management source proprietary deal flow?
Rose sources deals through a multi-decade network of repeat founders, other angel investors, and startup accelerators. His long-standing presence in the New York venture ecosystem means the firm often sees companies before they formally begin fundraising.
Does Cofounders Venture Management participate in fund commitments or only direct deals?
The firm makes direct investments in startups, typically at the pre-seed and seed stages. There is no public record of the firm committing capital as a limited partner into other venture funds.
What investment stages does Cofounders Venture Management typically target?
The firm concentrates on pre-seed and seed-stage companies, often writing one of the first institutional checks into a new venture. It does not publicly lead later-stage Series A or growth rounds.
Which sectors does Cofounders Venture Management explicitly avoid?
Hardware-intensive deep tech, capital-intensive biotech, and undeveloped-market consumer products fall outside the firm's observed investment pattern. The portfolio appears to concentrate on capital-efficient software and marketplace models.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
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