Third Sphere (formerly Wireframe Ventures)
VC
San Francisco, CAWebsite
How to approach: cold outreach ok
Stage
Pre-Seed, Seed
Check Size
$200K – $2.0M
Portfolio
2+ companies
Team
1 partner
Investor activity
Investments in last 12 months: 0Investment Thesis
Invests in early-stage startups solving the climate crisis through new energy, sustainability, and waste solutions.
Meet the Team
JP
Joshua Posamentier
Managing Partner
Climate
Clean Energy
Impact
Industry Focus
Invests In
Other
Climate / Energy
Does Not Invest In
Consumer goods
Entertainment
Portfolio Companies (2)
Other
RE
Redaptive
Energy Efficiency
BR
Brightwheel
Education/Impact
How to pitch Third Sphere (formerly Wireframe Ventures)
- •Raising at Pre-Seed, Seed? You're squarely in their sweet spot.
- •Lead with your fit in Other, Climate / Energy — the sectors they actively back.
- •Size your ask to their typical $200K – $2.0M check.
- •cold outreach ok
- •Address your outreach to a specific partner, such as Joshua Posamentier, Managing Partner.
- •A warm introduction beats a cold email. Get matched and request an intro.
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