Charles Call is a venture capital investor at Cottonwood Technology Fund who brings deep national lab and hard-tech expertise to identify science-heavy, deeptech opportunities, having sourced deals like Skorpios Technologies and Incitor for the fund. Unlike typical career investors, he simultaneously serves as CEO of advanced technology companies like BioFlyte and Integrated OffGrid, giving him current hands-on operating experience in the complex technical domains where he invests.
About their Fund
Sectors
Deeptech / Hardware, Robotics, Energy, Medtech, Materials
Rounds
Pre-Seed - Seed
Avg Check Size
Notable Investments
Cottonwood Technology Fund is one of the world's top-10 best-performing VC funds according to Preqin, specializing in ultra-early hard science investments like photonics, advanced materials, and semiconductors that spin out of national labs and universities across Northern Europe and the U.S. Southwest. The fund positions itself as a bridge between these research-rich but under-served regions, with partners who act as hands-on commercialization experts helping transform lab technology into market-ready companies outside traditional tech hubs like Silicon Valley.
Other partners at the fund
Notable Fund
Investments
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Sheets they're in
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Sheets they're Fund is in
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Popular Investors
investor name
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
View more in profile...
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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