Jill Greenthal is an angel investor based in Boston, Massachusetts, United States. The known portfolio counts 9 companies: Flex, Activate, Cars.com, Akamai Technologies, TEGNA, Houghton Mifflin Harcourt, Orbitz Worldwide, The Michaels Companies, Inc. and The Weather Channel.
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Investment focus
- Stage
- Seed
Contacts
Jill Greenthal portfolio companies (9)
- Flex
- Activate
- Cars.com
- Akamai Technologies
- TEGNA
- Houghton Mifflin Harcourt
- Orbitz Worldwide
- The Michaels Companies, Inc.
- The Weather Channel
Investor Profile
The known portfolio sits in sectors Consumer, FinTech, Healthcare and SaaS, and focus areas Customer Support Tools, Data Analytics, E-Commerce and Enterprise SaaS.
Jill Greenthal appears in Seed rounds across the known deals.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
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Frequently asked questions
Who is Jill Greenthal?
Jill Greenthal is an angel investor based in Boston, Massachusetts, United States with 9 known investments on file, among them Flex, Activate and Cars.com. The sections above list the sectors and stages attached to that record.
What does Jill Greenthal invest in?
Listed sectors include Consumer, FinTech, Healthcare and SaaS; listed focus areas include Customer Support Tools, Data Analytics, E-Commerce and Enterprise SaaS. 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 Jill Greenthal invest at?
The known deals of Jill Greenthal 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 Jill Greenthal?
An email address, a phone number and a LinkedIn page are on file for Jill Greenthal. 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