Jonathan Kelfer
Angel investor in New York City
New York City, New York
Jonathan Kelfer, Angel investor in New York City is an active investor based in New York City, New York. This profile covers what Jonathan Kelfer backs, at which stage, and how founders can reach out in 2026.
Mr. Jonathan Kelfer is a Co-Founder & serves as Chief Technology Officer at Measured (Consumer Finance). Mr. Kelfer is an Angel Investor. He served as Chief Technology Officer at Securitize. He Co-Founded Velocity Markets and served as Chief Executive Officer. He is a Co-Founder of Orchard Platform and serves as its Chief Technology Officer. He holds a BA and MS in computer science from New York University.
- Investor type
- AngelInvestment Bank
- Stages
- Early Stage VentureSeed
- Invests in
- FintechLending & CreditSaaS & EnterpriseConsumer & RetailDeveloper Tools & DataLegalTech
- Location
- New York City, New York
- Typical check
- $375K
- Past investments
- 2
Notable investments
How to reach Jonathan Kelfer
Angels and operators like Jonathan Kelfer 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 Kelfer
Frequently Asked Questions
What does Jonathan Kelfer invest in?
Jonathan Kelfer invests in Fintech, Lending & Credit, SaaS & Enterprise and Consumer & Retail, typically at Early Stage Venture and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Jonathan Kelfer invest at?
Jonathan Kelfer typically invests at Early Stage Venture and Seed. Lead with traction that fits the stage when you reach out.
What is Jonathan Kelfer's typical check size?
Jonathan Kelfer typically writes checks around $375K. Use it as a signal for whether your raise fits their stage.
How do I contact Jonathan Kelfer?
Unlock Jonathan Kelfer's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.