Last updated 2026-07-20
Portfolio
2
in our dataset
Rounds participated
3
Rounds led
0
Rounds' value
$32.2M
total disclosed, rounds participated
Stages
—
About
Nir Kalkstein is an Israeli entrepreneur and researcher. He founded KI Research Institute in 2019, an independent, self-funded, non-profit organization focusing on big data academic research in computational health, primarily analyzing electronic health record (EHR) data. [3, 9] Prior to KI, he founded the algo-trading company Final in 2001, Medial Research in 2009, and Medial EarlySign in 2013, where he developed machine learning-based decision support tools for healthcare. [3, 4, 7]
Portfolio · 2
Investment activity
Portfolio by sector
Health Tech & Life Sciences3
Q&A
- What is Nir Kalkstein's primary investment focus by sector?
- Nir Kalkstein primarily focuses on the Health Tech & Life Sciences sector, with all three of his known portfolio companies operating in this area.
- Can you name some of Nir Kalkstein's portfolio companies?
- Nir Kalkstein's portfolio includes GistMD, a personalized patient education platform, and Nucleai, a spatial biology software platform for precision medicine.
- What is Nir Kalkstein's investment stage preference?
- Nir Kalkstein has invested in Seed and B Round stages, as well as convertible debt rounds.
- When did Nir Kalkstein make his most recent known investment?
- Nir Kalkstein's most recent known investment round occurred in January 2021.
- What is the typical investment range for Nir Kalkstein?
- Nir Kalkstein's investment range is between $520K and $30M.
- Has Nir Kalkstein had any exits from his portfolio companies?
- According to startupim data, Nir Kalkstein has not recorded any exits from his portfolio companies.
- When did Nir Kalkstein make his earliest known investments?
- Nir Kalkstein made his earliest known investments in March 2018, with two new portfolio companies added that month.
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)
Identifiers & details
| Founded | 2019-3 |
|---|
Radar intelligence
Patents
| EPO | 5 |
|---|