# Zohar Zisapel

> Zohar Zisapel (1949-2023) was an Israeli engineer, entrepreneur and investor who co-founded RAD with his brother Yehuda in 1981. He supported independent technology companies, mentored founders and contributed to engineering education, while maintaining interests in visual art and mathematical riddles.

- **Role:** Engineer, entrepreneur, angel investor and philanthropist
- **Organizations:** RAD Data Communications, RAD Group, RADCOM, Ceragon Networks, Hailo, Innoviz Technologies, Argus Cyber Security, Technion - Israel Institute of Technology
- **From:** Tel Aviv, Israel
- **Nationality:** Israeli
- **Education:** B.Sc. in Electrical Engineering, Technion - Israel Institute of Technology, M.Sc. in Electrical Engineering, Technion - Israel Institute of Technology, MBA, Tel Aviv University
- **Known for:** Co-founded RAD and helped develop the RAD Group’s family of independent companies., Israel Defense Prize recipient, 1979., Technion honorary doctorate recipient, 2001.

## Career timeline

- **1979** — Received the Israel Defense Prize for electronics research work.
- **1981** — Co-founded RAD with Yehuda Zisapel.
- **1982-1998** — Served as CEO of RAD Data Communications, according to RADCOM’s 2017 SEC filing.
- **1985** — Co-founded RADCOM; served as its chairman until September 2015.
- **1996** — Began service as Ceragon Networks chairman at its incorporation.
- **2001** — Received an honorary doctorate from the Technion.
- **2019** — The brothers announced support for a new Technion electrical-engineering building.
- **2022** — Received the Technion Medal with Yehuda; their engineering building was inaugurated in June.
- **2023** — Died in May; remembered by RADCOM, Ceragon, Hailo and the Technion.

## Achievements

- Co-founded RAD and helped develop the RAD Group’s family of independent companies.
- Israel Defense Prize recipient, 1979.
- Technion honorary doctorate recipient, 2001.
- Technion Medal recipient, 2022.
- Early investor and chairman at Hailo.
- Supported computer rooms for disadvantaged young people and engineering facilities at the Technion.

## Latest updates

- **2024-09** — Ofer Ben-Noon described Zisapel’s mentoring in a retrospective interview.
- **2024-05** — Hailo appointed Rakefet Russak Aminoach as chairwoman, succeeding the late Zisapel.

## Links

- Website: https://www.rad.com/
- LinkedIn: https://www.linkedin.com/in/zohar-zisapel-478a7372

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Profile page: https://yespress.io/zohar-zisapel
Published by YesPress — https://yespress.io
Last updated: 2026-10-07