Bill Flagg

Investor profile

Bill Flagg

Angel

Boulder·Colorado·United States2known investments

Bill Flagg is an angel investor based in Boulder, Colorado, United States with 2 known investments: PaySimple and SurveyGizmo.

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Investment focus

Stage
Seed

Contacts

Phone number on fileLinkedIn profile on fileAvailable after registration.
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Bill Flagg portfolio companies (2)

  • PaySimple
  • SurveyGizmo

Investor Profile

Founders in the listed sectors Commerce, Consumer, Education and SaaS, and focus areas Consumer Internet, Data Analytics, E-Commerce and EdTech will recognize the pattern in this portfolio.

Stage-wise, the known deals cluster around Seed rounds.

The portfolio and focus above give founders context on whether Bill Flagg matches their raise.

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Frequently asked questions

Who is Bill Flagg?

Bill Flagg is an angel investor based in Boulder, Colorado, United States with 2 known investments on file, among them PaySimple and SurveyGizmo. The sections above list the sectors and stages attached to that record.

What does Bill Flagg invest in?

Listed sectors include Commerce, Consumer, Education and SaaS; listed focus areas include Consumer Internet, Data Analytics, E-Commerce and EdTech. 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 Bill Flagg invest at?

The known deals of Bill Flagg include 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 Bill Flagg?

A phone number and a LinkedIn page are on file for Bill Flagg. 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