Nir Kalkstein

Active Investor

Founder, Researcher

Israel

Nir Kalkstein, Founder, Researcher 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

Nucleai

How to reach Nir Kalkstein

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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.