About Us

Expand Your Vision

Vayyar develops safe, mobile, low-cost 4D imaging sensors, enabling applications in the fields of cancer detection, people-tracking, vehicle automation, security, signal testing, construction, and much more.

Founded in 2011 Vayyar started with the vision to develop a new modality for breast cancer detection, using RF to quickly and affordably look into human tissue and detect malignant growths. As the technology matured and evolved, Vayyar expanded it to unleash new capabilities and widen its application scope to countless other markets.

Vayyar facilitates long-term partnerships with leading corporations to develop tailored solutions, meeting a wide range of specific needs. We also offer off-the-shelf development kits to provide companies a hands-on experience and the ability to develop their own applications in-house. Vayyar also has its own line of consumer products launched under the “Walabot” brand, specializing.

TV Appearances

Recent Awards


Raviv Melamed

CEO and Co-Founder

Prior to founding Vayyar, Raviv was vice-president of the Intel Architecture Group and general manager of Intel’s Worldwide Mobile Wireless Group.
Raviv joined Intel in 2004 as part of Intel’s acquisition of Envara, a fabless semi-conductor company based in Israel, where he served as vice president of R&D. Prior to this he held several roles in the Israel Defense Force in the field of large-scale radar and communication projects.
Raviv holds a BSc. and MSc. in Electrical Engineering from Ben-Gurion University, Israel.

Miri Ratner

VP R&D and Co-Founder

Miri has over 20 years of multidisciplinary R&D experience, both in Israel and the US. Prior to founding Vayyar, Miri served as a senior consultant of various hi-tech companies including Intel, Visonic and Siklu. Before this, Miri joined Alvarion (BreezeCom) at its seed stage, where she managed the R&D Wireless Access Department throughout the company’s IPO.
Prior to BreezeCom, Miri held various R&D management and technical positions in Comverse, Tie Communications (USA) and ECI Telecom (Tadiran). Miri holds a BSc. in Mathematics and Computer Science from Bar-Ilan University, Israel

Naftali Chayat

CTO and Co-Founder

Naftali has over 30 years’ experience in signal processing, communications, radio systems and antenna technology. Prior to founding Vayyar, Naftali was Chief Scientist of Alvarion (BreezeCom) where he was responsible for its core technology. Prior to BreezeCom, Naftali held several roles in an R&D Department in the Israel Defense Forces, culminating as Chief Engineer. Naftali holds a BSc. in Physics and Mathematics from the Hebrew University under the auspices of “Talpiot”, an elite R&D program of the Israel Defense Forces, and an MSc. in Electrical Engineering from the Technion, Israel

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