Jonathan Olsen
Angel investor in Boston
Boston, Massachusetts
Jonathan Olsen, Angel investor in Boston is an active investor based in Boston, Massachusetts. This profile covers what Jonathan Olsen backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCOperator
- Stages
- Pre SeedSeedSeries ASeries B
- Invests in
- Digital Health & HealthTechArtificial IntelligenceHealthcare & BiotechSaaS & Enterprise
- Location
- Boston, Massachusetts
- Typical check
- $625K
- Past investments
- 1
Notable investments
How to reach Jonathan Olsen
Angels and operators like Jonathan Olsen reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded Accelerator.
Connect with Jonathan Olsen
Frequently Asked Questions
What does Jonathan Olsen invest in?
Jonathan Olsen invests in Digital Health & HealthTech, Artificial Intelligence, Healthcare & Biotech and SaaS & Enterprise, typically at Pre Seed, Seed, Series A and Series B. Match your sector and stage, then reach out with a personalized pitch.
What stage does Jonathan Olsen invest at?
Jonathan Olsen typically invests at Pre Seed, Seed, Series A and Series B. Lead with traction that fits the stage when you reach out.
What is Jonathan Olsen's typical check size?
Jonathan Olsen typically writes checks around $625K. Use it as a signal for whether your raise fits their stage.
How do I contact Jonathan Olsen?
Unlock Jonathan Olsen's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.