George Bousis
Co-Founder & Managing Partner
Every great story needs a main character.
Protagonist is the firm we wish we'd had—so we built it. We invest in and incubate businesses alongside the few who force the future forward.
PORTFOLIO
The stories we're fortunate to be part of.
SPACEXAI
Accelerate human scientific discovery
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PROMETHEUS
AI for the physical economy
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TENSTORRENT
Where AI runs
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EXOWATT
Powering AI with 24-hour solar
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EPIRUS
Electromagnetic defense systems
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VIVRELLE
Luxury, on your terms
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ELUVE
Medical AI, designed for you and your workflow
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ROAM
Roam makes remote work
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Two enduring forces.
Where abundance drives scarcity.
Abundance
Technology expands what is possible.
AI
Compute
Energy
Infrastructure
Defense
Robotics
Critical Materials
Scarcity
Value comes from what can’t be replicated.
Distribution
Brand
Trust
IP
Culture
Luxury Goods
Collectibles
OUR TEAM
We’re founders, not venture capitalists.
STORY
A founder’s words matter more than ours.
TENSTORRENT
When we set out to raise our $693M Series D, we were focused on bringing in strategic investors who could truly add value—Protagonist was exactly that. They didn’t just provide capital; they brought in key strategic partners and expertise that made a real difference, setting them apart from traditional VCs.
KEITH WITEK
CHIEF OPERATING OFFICER
EPIRUS
Protagonist is more than just an investor—they’re founders and operators who truly understand the entrepreneurial journey. Their deep expertise, empathy, and strong values make them an exceptional partner. At Epirus, we value investors who share our vision and integrity, and Protagonist is exactly that.
ANDY LOWERY
CHIEF EXECUTIVE OFFICER
ROAM
When we raised our Series A, there was a lot of interest. Choosing Protagonist was a no-brainer. Their network, their support, and their feedback has been invaluable. I recommend them to any founder.
HOWARD LERMAN
FOUNDER & CEO
TELLY
Protagonist bet big on Telly early, seeing our disruptive potential when others hesitated. They didn’t just invest—they partnered. With Protagonist, it’s more than a check—it’s hands-on support to help founders win.
ILYA POZIN
FOUNDER & CEO
