David Mindell combines four distinct roles—historian of technology, practicing engineer, startup founder, and venture investor—using that hybrid perspective to guide how he backs industrial and autonomy companies based on lessons from past technological revolutions. He has personally operated in extreme environments through over 25 oceanographic expeditions and deep involvement in spaceflight and undersea robotics, then turned that experience into both products and an investing lens for industrial startups that must work reliably in harsh physical contexts.
About their Fund
Sectors
Deeptech / Hardware, Robotics, Climate, AI, Transportation
Rounds
Series A - Series B+
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Notable Investments
Unless is a Boulder-based venture capital fund that specializes in backing impact-oriented industrial entrepreneurs transforming hard-to-change systems like manufacturing, energy, and logistics rather than typical software or consumer companies. The fund uses a perpetual capital structure instead of traditional 10-year funds, allowing it to support long-duration industrial transformations while delivering measurable social and environmental impact to both portfolio companies and limited partners.
Notable Fund
Investments
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Sheets they're in
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Popular Investors
investor name
Active in
Rounds
Avg. Check
Links
Deeptech / Hardware
Robotics
Biotech
+
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
+
7
View more in profile...
Unknown
Pre-Seed - Series A
Unknown
$100K - $5M
Unknown
Biotech
Health
Deeptech / Hardware
+
2
View more in profile...
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
+
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
+
2
View more in profile...
Unknown
Pre-Seed - Series A
Unknown
$250K-$1M
Unknown
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