Jeff Clavier

Founder and Managing Partner, Uncork Capital
Jeff Clavier pioneered micro‑VC—raising one of the first institutional micro‑VC funds in 2007—popularized the Three Asses Rule and was an early seed backer of consumer hardware like Fitbit.
How to contact Jeff Clavier
Stages their fund invests in
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Avg Check
$750K - $2M
N/A
Does their fund Lead?
Yes
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Geos their fund invests in
USA
Jeff Clavier
Stages their fund invests in
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Sectors their fund invests in
Enterprise
Devtools
Consumer
Marketplaces
Deeptech / Hardware
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Avg Check
$750K - $2M
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Leads?
Yes
N/A
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Industries
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About Jeff Clavier

Jeff Clavier pioneered the micro-VC model in Silicon Valley, going from writing $25-50K personal angel checks in 2004 to raising one of the first institutional micro-VC funds in 2007, which helped establish the now-standard seed fund model. He's known for his Three Asses Rule for evaluating startups—backing a smart-ass team building a kick-ass product in a big-ass market—and was one of the first seed investors to back consumer hardware like Fitbit in 2008 when it was still viewed as non-obvious.

Jeff Clavier's Interests

What they've been talking about across their social media accounts
  • A strong focus on deep tech and hardware startups that innovate in physical industries rather than just software. He frequently highlights investments in tangible products, such as an autonomous electric construction equipment company called Lumina and a startup utilizing 3D printing to manufacture footwear.
  • Enthusiasm for the commercial space economy and satellite technology. He closely follows the operational milestones of his portfolio companies in this sector, such as celebrating a satellite manufacturing facility opening in Colorado or a successful mission launch for a space infrastructure provider like Loft Orbital.
  • Appreciation for long-term relationships and repeat collaborations with founders. He values the journey of building companies over many years, evidenced by his excitement to back the founders of August Smart Lock again for their new venture, Doma Home, more than a decade after his initial support.
  • Committed to supporting team growth and diversity initiatives within the venture capital industry. He actively promotes the achievements of his junior partners and serves on boards for nonprofits like Venture Forward that are dedicated to expanding mentorship and inclusivity in the VC community.
  • Connection to his French heritage and the international tech ecosystem. He occasionally posts in French and participates in podcasts reflecting on his career journey from Europe to Silicon Valley, signaling openness to discussing his background with founders who share similar roots.

About their Fund

Uncork Capital

Sectors
Enterprise, Devtools, Consumer, Marketplaces, Deeptech / Hardware
Rounds
Seed - Series B+
Avg Check Size
$750K - $2M

Uncork Capital is one of the original "micro-VC" firms that helped prove small, seed-focused funds could work at scale when Jeff Clavier started investing his family's savings in 2004 and raised one of the first institutional seed funds in 2007. The firm has stayed "small by design" over 20 years to preserve discipline at seed stage while being unusually hands-on without formulaic playbooks, building custom one-on-one plans for each company and refusing to pass declined founders to other VCs because they view it as a harmful negative signal.

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