Third Sphere (formerly Wireframe Ventures)
Third Sphere (formerly Wireframe Ventures) is a Pre-Seed, Seed venture capital firm based in San Francisco, CA investing in Other, Climate / Energy. The firm typically writes $200K–$2.0M checks and has 2 portfolio companies in our records.
- Check size
- $200K–$2.0M
- Portfolio
- 2 companies on record
- Partners
- 1 listed
- Stage
- Pre-Seed, Seed
- Sectors
- Other, Climate / Energy
- HQ
- San Francisco, CA
- AUM
- Not in our records
Pre-Seed, Seed
$200K – $2.0M
2+ companies
1 partner
Investment Thesis
Invests in early-stage startups solving the climate crisis through new energy, sustainability, and waste solutions.
How Third Sphere (formerly Wireframe Ventures) invests
Third Sphere (formerly Wireframe Ventures) is a vc firm based in San Francisco, CA. The firm invests at the Pre-Seed, Seed stages, with a focus on Other, Climate / Energy. It does not invest in Consumer goods, Entertainment.
Third Sphere (formerly Wireframe Ventures) typically writes checks of $200K–$2.0M per investment.
Third Sphere (formerly Wireframe Ventures) has backed 2 companies in our records, including Redaptive, Brightwheel.
Partners & Team
Joshua Posamentier
Managing Partner
Industry Focus
Invests In
Does Not Invest In
Portfolio Companies (2)
Other
Redaptive
Brightwheel
- •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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Frequently Asked Questions
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