JK

Investor profile

Jason Klein

Angel, Operator angel

Jason Klein is an angel investor and operator angel based in Los Angeles, California, United States with one known investment, SocialSign.in.

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Investment focus

Stage
Seed

Contacts

Phone number on fileLinkedIn profile on fileAvailable after registration.
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Jason Klein portfolio company (1)

  • SocialSign.in

Investor Profile

The listing covers sector Real Estate, and focus areas Media and Mortgage. Startups operating in these areas may find Jason Klein relevant.

The stage tag on this profile is Seed.

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Frequently asked questions

Who is Jason Klein?

Jason Klein is an angel investor and operator angel based in Los Angeles, California, United States with one known investment on file, SocialSign.in. The sections above list the sectors and stages attached to that record.

What does Jason Klein invest in?

Listed sectors include Real Estate; listed focus areas include Media and Mortgage. 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 Jason Klein invest at?

The database lists Jason Klein for 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 Jason Klein?

A phone number and a LinkedIn page are on file for Jason Klein. They are readable inside RaiseHunt after you create an account. The database holds no email address 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