Management Team

zohar_zisapel2Zohar Zisapel


Zohar Zisapel has a vast background in entrepreneurship and management  in the hi-tech industry since co-founding the RAD group together with his brother in 1981. Ever since Zohar started multiple successful companies in the Telecom and Cyber Security markets, and now serves on the boards of several publicly traded and privately owned companies.

Prior to founding the RAD Group, Zohar headed of the Electronic Research Department at the Israeli Ministry of Defense, for which he was awarded the Israel Defense Prize in 1979.

Zohar has a B.Sc. and an M.Sc. in electrical engineering from the Technion Institute of Technology, and an M.B.A. from Tel Aviv University.

Ilan BardaIlan Barda


Ilan Barda, founder of Radiflow is a Security and Telecom executive with 20 years of experience in the industry.

Mr. Barda’s last position was the CEO of Seabridge, a Siemens subsidiary, with world-wide responsibility for the Siemens/Nokia-Siemens Carrier-Switches portfolio.

Ilan has deep experience in developing secure communication equipment from his service in the Information Security division of the IDF.

Ilan has a B.A. in Computer Science and an Executive MBA from the Kellogg-Recanati program.

Yehonatan KfirYehonatan Kfir


An experienced security expert, Yehonatan Kfir has lead Radiflow’s technology innovation road-map since 2014.

Earlier in his career he had served for 10 years in an IDF Intelligence Corp elite R&D Unit. In his last role in Unit 8200 he was in charge of new product research at the Cyber Innovation division and led a project that won the Intelligence Corp Commander’s Creative Thinking Award.

Yehonatan has a BSc, an MSc and an MBA, and is currently working on his PhD in Cyber Security.

TJ Roe

V.P. Sales North America

TJ Roe is an industry veteran with 20 years’ experience in the design and sales of Industrial Automation Networks and Security for Power and Water Utilities, Intelligent Traffic Systems and more.

Previously TJ was Director of Strategic Markets for the industrial networking division of Belden and prior to that he held several positions of sales leadership at GarrettCom, where they introduced some of the industry’s first substation switches.

TJ was a contributing member to the IEEE Standard committee on Security for Substations and presented on cyber-security at leading industry events.

Yaron Dayan

V.P. R&D

Yaron Hopstone-Dayan, is an experienced R&D manager which held various management positions in global companies in the last 12 years.

During his career, Yaron managed large R&D groups in distributed sites globally to develop high-end telecom equipment introducing modern capabilities like SDN and NFV and using Agile methodology.
Yaron joined Radiflow in 2015 to lead its software group and in 2016 was promoted to the VP R&D position.

Yaron has a B.A. and a MBA from Haifa University.

Ariel Zur

V.P. of International Sales

Ariel brings over 20 years of experience in sales and sales channel management in the EMEA and APAC regions. His experience spans various communications and networking industries, as well as industrial automation networks.

Prior to joining Radiflow Ariel held several positions at RAD. Earlier he served as as regional sales manager at Ruggedcom, a Siemens company.

Ariel has a in engineering from Ben-Gurion University.

Uri DrorUri Dror

V.P. Operations

Uri Dror joined Radiflow in 2013 as the VP Operations in charge of Corporate Supply Chain Management, Production, Procurement, Logistic and Manufacturing Engineering. Mr. Dror’s past experience includes over 15 years of result oriented in Operations in High-Tech Industry. Prior to joining Radiflow, Mr. Dror was the Director of operation at Channelot, the Supply chain manager in Ruggedcom and several operational positions within Verint system.

Mr. Dror holds a BSc degree in Industrial Engineering and Management from Ariel University Center.

Gilad Bandel

V.P. Products

In his over 25 years of experience in the cybersecurity and networking industries, Gilad Bandel has held multiple positions in which he was responsible for the conceptualizing, development and marketing of cyber protection devices and solutions for OT networks.

Prior to joining Radiflow, Mr. Bandel served as Director of Product Management at CyberSeal. After the company’s acquisition he joined Magal Security, providing cybersecurity solutions for critical infrastructure. Prior to that Gilad managed the Command and Control division at MER Security.

Gilad holds a BSc in Computer Science and Physics from Bar Ilan University.