Charles Oppenheimer is an angel investor based in San Francisco, California, United States. The known portfolio counts 2 companies: RealKey and Radius Agent.
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Investment focus
- Focus
- Agent MarketplacesMarketplacesPropTechReal Estate Marketplaces
Contacts
Charles Oppenheimer portfolio companies (2)
- RealKey
- Radius Agent
Investor Profile
The known portfolio sits in sectors Commerce, Consumer and Real Estate, and focus areas Agent Marketplaces, Marketplaces, PropTech and Real Estate Marketplaces.
Stage-wise, the known deals cluster around Pre-Seed and Seed rounds.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
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Frequently asked questions
Who is Charles Oppenheimer?
Charles Oppenheimer is an angel investor based in San Francisco, California, United States with 2 known investments on file, among them RealKey and Radius Agent. The sections above list the sectors and stages attached to that record.
What does Charles Oppenheimer invest in?
Listed sectors include Commerce, Consumer and Real Estate; listed focus areas include Agent Marketplaces, Marketplaces, PropTech and Real Estate Marketplaces. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Charles Oppenheimer invest at?
The known deals of Charles Oppenheimer include Pre-Seed and Seed rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
How do I contact Charles Oppenheimer?
A LinkedIn page is on file for Charles Oppenheimer. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 6 September 2026 · How this data is built · Report a correction or request removal