Zisapel (Israeli)

A pioneering Israeli family in high-tech, co-founded the RAD Group and invested in numerous Israeli startups.

Family Office Tel Aviv, Israel Est. 1981
Last updated 2026-07-20
Portfolio
0
in our dataset
Rounds participated
0
Rounds led
0
Rounds' value
total disclosed, rounds participated
Stages
Pre-Seed, Seed, Series A, Series B, Series C

About

The Zisapel family, primarily through brothers Zohar and Yehuda Zisapel, has been instrumental in the development of Israel's high-tech industry. They co-founded the RAD Group in 1981, an umbrella organization for numerous independent Israeli telecommunications and networking companies. Beyond the RAD Group, both brothers were active angel investors and philanthropists, supporting and founding many other Israeli tech ventures in various fields including cybersecurity, AI, and biotechnology. [4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 19, 20, 22]

Portfolio

No portfolio companies in this dataset yet.

Q&A

What is the primary focus of Zisapel's investment thesis?
Zisapel focuses on investing in groundbreaking technology ventures, particularly in communications, biotech, AI, and cyber, with a strong emphasis on Israeli innovation.
What investment stages does Zisapel typically participate in?
Zisapel typically participates in Pre-Seed, Seed, Series A, Series B, and Series C investment stages.
Which sectors are preferred by Zisapel for investments?
Zisapel prefers investments in Telecommunications, Cyber Security, Automotive & Mobility Technologies, Health Tech & Life Sciences, Business Software, and AI.
What is the background of the Zisapel family in the Israeli tech industry?
The Zisapel family, led by brothers Yehuda and Zohar Zisapel, are considered "founding fathers of Israeli high-tech." They established the.
Who are some of the key individuals in the Zisapel family involved in current investment or leadership roles?
Key individuals include Roy Zisapel, CEO of Radware and an investor, and Prof. Nava Zisapel, Co-Founder and Chairperson of RAD BioMed and Chief Scientific Officer of Neurim Pharmaceuticals.
In which geographies does Zisapel primarily invest?
Zisapel primarily invests in Israel and the US.
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)

Identifiers & details

Founded1981