Stonly Blue is a Managing Partner at Third Sphere, whose known portfolio counts 20 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Managing Partner at Third Sphere, whose known portfolio counts 20 companies
- Shellworks
- CYCLE
- Near Space Labs
- Nevoya
- AccessGrid
- ChargeLab
- Loamist
- SOS
- wasted
- Earth Force Technologies
- Phuc Labs
- Renewell Energy
- and 8 more
Investor Profile
Stonly Blue is listed against sectors AI, Climate, Commerce and Hardware, and focus areas Autonomous Vehicles, Clean Energy, Clean Tech and Clean and Renewable Energy in the database.
Stage-wise, the deals at Third Sphere cluster around Pre-Seed, Seed and Series A rounds.
What the affiliated firm has backed is the closest available signal on whether Stonly Blue is worth approaching.
Colleagues at Third Sphere
Frequently asked questions
Who is Stonly Blue?
Stonly Blue is a venture capital investor and venture debt investor based in San Francisco, California, United States, listed as Managing Partner at Third Sphere. The known portfolio of that firm counts 20 companies. That portfolio belongs to the firm, not to Stonly Blue personally.
What does Stonly Blue invest in?
Listed sectors include AI, Climate, Commerce and Hardware; listed focus areas include Autonomous Vehicles, Clean Energy, Clean Tech and Clean and Renewable Energy. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Stonly Blue invest at?
Third Sphere appears in Pre-Seed, Seed and Series A rounds across its known deals, and Stonly Blue is listed there as Managing Partner. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Stonly Blue listed at?
Stonly Blue is listed as Managing Partner at Third Sphere. 2 other people in the database share a firm with Stonly Blue.
How do I contact Stonly Blue?
An email address, a phone number and a LinkedIn page are on file for Stonly Blue. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal