Investor profile
Jonathan Mandelbaum
Private equity, Venture capital, Venture debt & Principal at OrbiMed
Jonathan Mandelbaum is a Principal at OrbiMed, whose known portfolio counts 12 companies.
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Investment focus
- Sector
- AIHardwareHealthcare
Contacts
Affiliated funds' portfolios
Principal at OrbiMed, whose known portfolio counts 12 companies
- ADCendo
- Congruence Therapeutics
- Pulnovo Medical
- Terremoto Biosciences
- Nucleus RadioPharma
- Pinnacle Medicines
- Sidewinder Therapeutics
- ImageneBio
- Microtide Biotechnology
- Proviva Therapeutics
- Innovative Spinal Technologies
- SpectronRx
Investor Profile
The listing covers sectors AI, Hardware and Healthcare, and focus areas Biotech, Diagnostics, Digital Health and Drug Discovery. Startups operating in these areas may find Jonathan Mandelbaum relevant.
Stage-wise, the deals at OrbiMed cluster around Growth, Late-Stage and Seed rounds.
What the affiliated firm has backed is the closest available signal on whether Jonathan Mandelbaum is worth approaching.
Colleagues at OrbiMed
Showing 20 of 32
Dimitri Krainc
Venture Partner
Chicago, United States
Jonathan Silverstein
Investor
New York, United States
Jeremy Barnis
Venture Capitalist
Germany
Peter Thompson
General Partner
Bellevue, United States
Evan Caplan
Partner
San Francisco, United States
Carl Gordon
Managing Partner
New York City, United States
Kipyegon Kitur
Principal
New York, United States
Carter Neild
Managing Partner
New York, United States
Geoffrey Hsu
General Partner
New York, United States
Topher Orr
Partner
New York, United States
Vivek Sivathanu
Principal
San Francisco, United States
Scotland Stevens
General Partner
New York, United States
Brendan Weber
Principal
New York City, United States
William Price
Managing Director
New York, United States
Jiarun Qu
Biotech Investor
Palo Alto, United States
Jim Sullivan
Venture Partner
Chicago, United States
Kevin Koch
Venture Partner
Boulder, United States
Dina Chaya
Partner
United Kingdom
Klaus Veitinger
Venture Partner
New York City, United States
Sevgi Gurkan
Venture Partner
San Francisco, United States
Frequently asked questions
Who is Jonathan Mandelbaum?
Jonathan Mandelbaum is a private equity investor and venture capital investor based in New York, United States, listed as Principal at OrbiMed. The known portfolio of that firm counts 12 companies. That portfolio belongs to the firm, not to Jonathan Mandelbaum personally.
What does Jonathan Mandelbaum invest in?
Listed sectors include AI, Hardware and Healthcare; listed focus areas include Biotech, Diagnostics, Digital Health and Drug Discovery. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Jonathan Mandelbaum invest at?
OrbiMed appears in Growth, Late-Stage and Seed rounds across its known deals, and Jonathan Mandelbaum is listed there as Principal. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Jonathan Mandelbaum listed at?
Jonathan Mandelbaum is listed as Principal at OrbiMed. 32 other people in the database share a firm with Jonathan Mandelbaum.
How do I contact Jonathan Mandelbaum?
An email address, a phone number and a LinkedIn page are on file for Jonathan Mandelbaum. 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