Nir Kalkstein
Angel investor in Israel
Israel
Nir Kalkstein, Angel investor in Israel is an active investor based in Israel. This profile covers what Nir Kalkstein backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Pre SeedSeed
- Invests in
- Artificial IntelligenceHealthcare & Biotech
- Location
- Israel
- Typical check
- $150K
- Past investments
- 1
Notable investments
NucleaiHow to reach Nir Kalkstein
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Connect with Nir Kalkstein
Frequently Asked Questions
What does Nir Kalkstein invest in?
Nir Kalkstein invests in Artificial Intelligence and Healthcare & Biotech, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Nir Kalkstein invest at?
Nir Kalkstein typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Nir Kalkstein's typical check size?
Nir Kalkstein typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do I contact Nir Kalkstein?
Unlock Nir Kalkstein's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.