Jonathan Hennessy is an angel investor and operator angel based in Sunnyvale, California, United States. The known portfolio counts 6 companies: Alchemy, Skiff, Xperiel, Clockwork Systems, PropBidder and BabbleLabs.
Is Jonathan Hennessy a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
Contacts
Jonathan Hennessy portfolio companies (6)
- Alchemy
- Skiff
- Xperiel
- Clockwork Systems
- PropBidder
- BabbleLabs
Investor Profile
The listing covers sectors Climate, Education, Healthcare and SaaS, and focus areas Biotech, Cloud Infrastructure, Data Analytics and Developer Tools. Startups operating in these areas may find Jonathan Hennessy relevant.
Jonathan Hennessy appears in Pre-Seed and Seed rounds across the known deals.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
Similar investors
Showing 20 of 99
Jason Hunt
angel investor and operator angel
St Louis, United States
James Hong
angel investor
San Francisco, United States
Jonathan Pines
General Partner
Berkeley, United States
Patrick Hankinson
Partner
Halifax, Canada
Jon Hallett
angel investor and operator angel
Atlanta, United States
Wong
angel investor
Palo Alto, United States
Hugh Crean
angel investor and operator angel
Boston, United States
Jonathan Fentzke
Investor, Mentor, Scientist
Boulder, United States
Henri Deshays
Partner
Palo Alto, United States
Neal Hansch
angel investor and operator angel
San Francisco, United States
Kevin Henrikson
angel investor and operator angel
San Francisco, United States
Ben Haun
angel investor
Seattle, United States
Jonathan Heiliger
General Partner
Aspen, United States
Peter Johnson
angel investor
New York, United States
John Hui
angel investor and operator angel
New York, United States
Henry Shi
Member of Technical Staff
San Francisco, United States
Gordon Chaffee
angel investor
San Francisco, United States
David Hehman
Co-founder
Sebastopol, United States
Bob Muglia
angel investor
United States
Matt Johnson
angel investor
United States
Frequently asked questions
Who is Jonathan Hennessy?
Jonathan Hennessy is an angel investor and operator angel based in Sunnyvale, California, United States with 6 known investments on file, among them Alchemy, Skiff and Xperiel. The sections above list the sectors and stages attached to that record.
What does Jonathan Hennessy invest in?
Listed sectors include Climate, Education, Healthcare and SaaS; listed focus areas include Biotech, Cloud Infrastructure, Data Analytics and Developer Tools. 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 Jonathan Hennessy invest at?
The known deals of Jonathan Hennessy 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 Jonathan Hennessy?
An email address, a phone number and a LinkedIn page are on file for Jonathan Hennessy. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
Skip the browsing. Let AI find your ideal investors in one minute.
Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.
Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal