John Hennessey is an angel investor. The known portfolio counts 8 companies: Boston Harbor Angels Inc., Brain Injury Association of Massachusetts, Commonwealth of Massachusetts, Siva Therapeutics Inc, The Evergreen State College Alumni Association, The Evergreen State College Foundation, Town of Weston MA and Wonk newmedia.
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Investment focus
- Focus
- Alumni NetworkBiotechDigital MediaHigher EdNonprofitNonprofit BoardPublic-Sector AdvisoryTherapeutics
Contacts
John Hennessey portfolio companies (8)
- Boston Harbor Angels Inc.
- Brain Injury Association of Massachusetts
- Commonwealth of Massachusetts
- Siva Therapeutics Inc
- The Evergreen State College Alumni Association
- The Evergreen State College Foundation
- Town of Weston MA
- Wonk newmedia
Investor Profile
The listing covers sectors Consumer, Education and Healthcare, and focus areas Alumni Network, Biotech, Digital Media and Higher Ed. Startups operating in these areas may find John Hennessey relevant.
Stage-wise, the known deals cluster around Pre-Seed and Seed rounds.
The portfolio and focus above give founders context on whether John Hennessey matches their raise.
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Frequently asked questions
Who is John Hennessey?
John Hennessey is an angel investor with 8 known investments on file, among them Boston Harbor Angels Inc., Brain Injury Association of Massachusetts and Commonwealth of Massachusetts. The sections above list the sectors and stages attached to that record.
What does John Hennessey invest in?
Listed sectors include Consumer, Education and Healthcare; listed focus areas include Alumni Network, Biotech, Digital Media and Higher Ed. 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 John Hennessey invest at?
The known deals of John Hennessey 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 John Hennessey?
An email address, a phone number and a LinkedIn page are on file for John Hennessey. 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 6 September 2026 · How this data is built · Report a correction or request removal