Jonathan Gelber, Angel investor in Los Angeles is an active investor based in Los Angeles, United States. This profile covers what Jonathan Gelber backs, at which stage, and how founders can reach out in 2026.
Jonathan Gelber is an orthopedic sports medicine surgeon and angel investor with a background in Biomedical Engineering.
Jonathan Gelber invests in Healthcare & Biotech and MedTech & Medical Devices, typically at Seed and Series A.
- Investor type
- AngelVC
- Stages
- SeedSeries A
- Invests in
- Healthcare & BiotechMedTech & Medical Devices
- Location
- Los Angeles, United States
- Typical check
- $625K
How to reach Jonathan Gelber
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About this profile
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Cite this page
Round Funded. "Jonathan Gelber." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/jonathan-gelber
Frequently Asked Questions
Who is Jonathan Gelber?
Jonathan Gelber, Angel investor in Los Angeles is an active investor based in Los Angeles, United States. Jonathan Gelber invests in Healthcare & Biotech and MedTech & Medical Devices, typically at Seed and Series A.
What does Jonathan Gelber invest in?
Jonathan Gelber invests in Healthcare & Biotech and MedTech & Medical Devices, typically at Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Jonathan Gelber invest at?
Jonathan Gelber typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Jonathan Gelber's typical check size?
Jonathan Gelber typically writes checks around $625K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.