Jonathan Fassberg is an angel investor based in New York, United States with one known investment, Starget Pharma.
Is Jonathan Fassberg a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
- Stage
- Seed
- Sector
- Healthcare
Contacts
Jonathan Fassberg portfolio company (1)
- Starget Pharma
Investor Profile
The known portfolio sits in sector Healthcare, and focus areas Biotech and Pharma.
The stage tag on this profile is Seed.
The portfolio and focus above give founders context on whether Jonathan Fassberg matches their raise.
Similar investors
Showing 20 of 100
David Fischer
angel investor and operator angel
Chicago, United States
Asaf Fybish
angel investor and operator angel
Tel Aviv, Israel
Jonathan Fentzke
Investor, Mentor, Scientist
Boulder, United States
Jeffrey Finkle
Chairman, Evaluation Committee & Treasurer
New York, United States
Forest Baskett
General Partner
Menlo Park, United States
Jogchum Brinksma
angel investor
London, United Kingdom
Peter Stern
Venture Partner
New York City, United States
Asaf Shinar
angel investor
Michmoret, Israel
Jonathan Gordon
angel investor and operator angel
Tampa, United States
Sebastian Darr
angel investor and operator angel
Berlin, Germany
Skip Fleshman
Managing Partner
San Francisco, United States
Peter K.
angel investor
New York, United States
Alexander Saint-Amand
angel investor and operator angel
New York, United States
Sam Ferdows
angel investor and operator angel
Burlingame, United States
Mark Jacobstein
General Partner
Stanford, United States
Franklin Berger
angel investor
New York, United States
James Fickel
angel investor
United States
Joseph Fung
angel investor and operator angel
Kitchener, Canada
Barry Fidelman
angel investor
Waltham, United States
Chris Jackson
angel investor and operator angel
New York, United States
Frequently asked questions
Who is Jonathan Fassberg?
Jonathan Fassberg is an angel investor based in New York, United States with one known investment on file, Starget Pharma. The sections above list the sectors and stages attached to that record.
What does Jonathan Fassberg invest in?
Listed sectors include Healthcare; listed focus areas include Biotech and Pharma. 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 Fassberg invest at?
The database lists Jonathan Fassberg 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 Jonathan Fassberg?
An email address and a LinkedIn page are on file for Jonathan Fassberg. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds no phone number for this profile.
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 6 September 2026 · How this data is built · Report a correction or request removal