David Waltcher is a Partner at FirstMark who built an unusually deep enterprise and fintech track record across global markets before age 30 during his seven years at Accel, where he helped lead deals including Browserstack, Klaviyo, Monzo, and Pismo. He has quickly become FirstMark's go-to partner for AI-native infrastructure and developer tools, leading investments in companies like Aspect (Bazel-based build systems) and Momentum (AI customer intelligence) while speaking publicly about how AI is changing software development.
About their Fund
Sectors
Enterprise, Consumer, AI, Data, Fintech
Rounds
Seed - Series B+
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Notable Investments
FirstMark built one of New York's most developed platform models years before it became common, with a full team dedicated to community, talent, and functional support that touches thousands of operators across engineering, data, product, and go-to-market. The firm maintains a high-conviction, concentrated investment approach they call the "Longest View in the Room" philosophy, focusing on patience and long-term support rather than chasing trends or expanding into later-stage strategies.
Notable Fund
Investments
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Popular Investors
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Active in
Rounds
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Links
Deeptech / Hardware
Robotics
Biotech
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12
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Unknown
Pre-Seed - Seed
Unknown
$400K - $2M
Unknown
Defense
Deeptech / Hardware
Energy
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7
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Unknown
Pre-Seed - Series A
Unknown
$100K - $5M
Unknown
Defense
Deeptech / Hardware
Energy
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7
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Unknown
Pre-Seed - Series A
Unknown
$100K - $5M
Unknown
Biotech
Health
Deeptech / Hardware
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2
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Unknown
Pre-Seed - Seed
Unknown
$250K - $2M
Unknown
Climate
Deeptech / Hardware
Materials
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4
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Unknown
Pre-Seed - Seed
Unknown
$400K - $1.5M
Unknown
Deeptech / Hardware
Robotics
Biotech
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7
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Unknown
Pre-Seed - Seed
Unknown
$400K - $2M
Unknown
Deeptech / Hardware
Robotics
Biotech
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2
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Unknown
Pre-Seed - Seed
Unknown
~$750K
Unknown
Fintech
Deeptech / Hardware
Devtools
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2
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Unknown
Pre-Seed - Series A
Unknown
$250K-$1M
Unknown
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