John Dauer is a Founding Partner at Helium-3 Ventures, whose known portfolio counts 10 companies.
Is John Dauer a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
Contacts
Affiliated funds' portfolios
Founding Partner at Helium-3 Ventures, whose known portfolio counts 10 companies
- Apptronik
- Runwise
- Space Forge
- POSH
- Princeton NuEnergy
- Sage Geosystems
- Skillfully
- Dendra Systems
- Engineered Arts
- Moons
Investor Profile
John Dauer is listed against sectors AI, Climate and Hardware, and focus areas Aerospace, Clean Energy, DeepTech and Fusion Energy in the database.
Stage-wise, the deals at Helium-3 Ventures cluster around Pre-Seed, Seed and Series A rounds.
The firm portfolio and the focus above give founders context on whether John Dauer matches their raise.
Colleagues at Helium-3 Ventures
Frequently asked questions
Who is John Dauer?
John Dauer is a private equity investor and venture capital investor based in New York, United States, listed as Founding Partner at Helium-3 Ventures. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to John Dauer personally.
What does John Dauer invest in?
Listed sectors include AI, Climate and Hardware; listed focus areas include Aerospace, Clean Energy, DeepTech and Fusion 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 John Dauer invest at?
Helium-3 Ventures appears in Pre-Seed, Seed and Series A rounds across its known deals, and John Dauer is listed there as Founding 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 John Dauer listed at?
John Dauer is listed as Founding Partner at Helium-3 Ventures. 2 other people in the database share a firm with John Dauer.
How do I contact John Dauer?
An email address and a LinkedIn page are on file for John Dauer. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds no phone number for this profile.
Skip the browsing. Let AI find your ideal investors in one minute.
Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.
Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal