Zohar Zisapel (Late)

A pioneer of the Israeli high-tech industry, co-founder of the RAD Group, and a prolific angel investor.

Angel Investor Tel Aviv, Israel
LinkedIn
Last updated 2026-07-20
Portfolio
0
in our dataset
Rounds participated
0
Rounds led
0
Rounds' value
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total disclosed, rounds participated
Stages
A Round, Seed, Pre-Seed

About

Zohar Zisapel was a highly influential Israeli entrepreneur, businessman, and philanthropist. He co-founded the RAD Group with his brother Yehuda, which became an incubator for numerous successful high-tech companies in data communications, cybersecurity, and broadband access. Beyond his work with the RAD Group, Zisapel was an active angel investor, supporting early-stage companies in various sectors including autonomous vehicles, cybersecurity, and medical research. He was recognized for his significant contributions to the Israeli high-tech ecosystem and his philanthropic efforts in technological education.

Portfolio

No portfolio companies in this dataset yet.

Investment activity

10 portfolio exits on record.

Portfolio by sector

Cyber Security8
Automotive & Mobility Technologies4
Health Tech & Life Sciences3
Industrial Technologies1
Business Software1
Education & Knowledge Technologies1

Q&A

What are Zohar Zisapel's most recent notable exits?
Zohar Zisapel has had several notable exits recently, including Talon Cyber Security, which was acquired by Palo Alto Networks for $625M in November 2023, and CyberInt, acquired by Check Point Software Technologies for $200M in August 2024. Vectorious Medical Technologies was also acquired by Edwards Lifesciences for $497M in September 2025.
Which sectors does Zohar Zisapel primarily focus on for investments?
Zohar Zisapel primarily focuses on Cyber Security, with 11 investment rounds, and Automotive & Mobility Technologies, with 5 investment rounds. Health Tech & Life Sciences is another key sector with 6 investment rounds.
Can you name some of Zohar Zisapel's portfolio companies in the Cyber Security sector?
In the Cyber Security sector, Zohar Zisapel's portfolio includes Armis and CyberInt
What stages of funding does Zohar Zisapel typically invest in?
Zohar Zisapel typically invests in Seed and A Round stages, with 4 Seed rounds and 10 A Round investments. The investor also participates in B Round and C Round follow-on investments.
Which of Zohar Zisapel's portfolio companies went public via SPAC?
Innoviz Technologies, a high-performance LiDAR and perception software company, went public via a SPAC event with Collective Growth Corporation in April 2021, with a valuation of $1.4B.
What was Zohar Zisapel's involvement with Radiflow?
Zohar Zisapel was an investor in Radiflow, a cybersecurity solutions provider for critical infrastructure networks, which was acquired by Sabanci Group for $45M in April 2022.
What is Zohar Zisapel's background in the hi-tech industry?
Zohar Zisapel had a rich entrepreneurship and management background in the hi-tech industry. He co-founded RAD group and served as CEO of RAD Data Communications, chairman of Ceragon Networks and RADCOM, and Director of Silicom.
Has Zohar Zisapel had any exits in the Automotive & Mobility Technologies sector?
Yes, Zohar Zisapel had an exit in the Automotive & Mobility Technologies sector with PlaxidityX, which was acquired by Continental for $450M in November 2017.
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