Stuart O'Keeffe is a Partner at Great Oaks Venture Capital who writes small initial checks of roughly $50K–$500K to pre-seed and seed-stage companies specifically in fintech, healthcare, and marketplaces. He brings direct product and operations experience from his consulting background at Le Souk and maintains advisory roles at Cornell Tech and Techstars, working closely with founders beyond just providing capital.
About their Fund
Sectors
Consumer, Health, Fintech, Enterprise, Marketplaces
Rounds
Pre-Seed - Series A
Avg Check Size
$50K - $500K
Notable Investments
Great Oaks Venture Capital is a nearly two-decade-old seed fund that writes small initial checks ($50,000–$500,000) across a highly diversified portfolio, often providing first-check capital to founders before they have traction or fully formed metrics. The firm operates with offices in both NYC and Palm Beach, maintaining a "low-noise" reputation among founders while building a distinctive barbell portfolio spanning high-profile consumer brands like Away and Fetch alongside technical infrastructure companies like SingleStore and Built Robotics.
Notable Fund
Investments
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Popular Investors
investor name
Active in
Rounds
Avg. Check
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
View more in profile...
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
View more in profile...
Unknown
Pre-Seed - Seed
Unknown
$400K - $2M
Unknown
Deeptech / Hardware
Robotics
Biotech
+
2
View more in profile...
Unknown
Pre-Seed - Seed
Unknown
~$750K
Unknown
Fintech
Deeptech / Hardware
Devtools
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2
View more in profile...
Unknown
Pre-Seed - Series A
Unknown
$250K-$1M
Unknown
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