![Harel Beit-On](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Harel Beit-On
Chairman at
GAON GROUP LTD.
Net worth: 105 M $ as of 2026-08-30
Profile
Harel Beit-On is the founder of Viola Group, Inc. (Israel), founded in 1999; Viola Ventures Ltd., founded in 2000; and Viola Growth, founded in 2008, where the title held is General Partner.
Current jobs include Chairman at Gaon Group Ltd. since 2014, Chairman at The Hebrew University of Jerusalem since 2018, Chairman at B. Gaon Holdings Ltd. since 2013, Director at Pulsar Welding Ltd. since 2015, Director at RRsat Global Communications, Inc., Director at a-connect (schweiz) AG, Director & General Partner at Viola-LM Partners LP since 2006, Director at EX.CO since 2017, Director at Lm Co. Ltd., Director at AAF Aquagro Management Ltd., Director at Cyberint Technologies Ltd. since 2018, Director at Global Data Center Ltd., Director at Generation Capital Ltd. since 2018, and Partner at AquaAgro Fund LP.
Former jobs include Chairman at Tecnomatix Technologies Ltd. in 2005, Chairman at Lumenis Ltd. from 2007 to 2015, Chairman at ECtel Ltd. from 2004 to 2006, Chairman at CogniTens, Inc., Chairman of the board of directors at Red Bend Software, Inc. from 2006 to 2013, Chairman at Lumenis, Inc. from 2007 to 2015, Chairman at Automax Motors Ltd. from 2017 to 2018, Chairman at SimilarWeb Ltd. from 2017 to 2026, Independent Non-Executive Director at Amiad Water Systems Ltd. from 2012 to 2013, Independent Director at RR Media Ltd., Director at MyThings, Inc., Director at Orad Hi-Tec Systems Ltd. from 2013 to 2015, Director at Aeronautics Ltd. from 2012 to 2015, Director at Behalf, Inc., Director at OptimalPlus Ltd., Director at Clarizen Ltd., Director at Shunra Software Ltd., Director at Insurify, Inc., and Board member at Zend Technologies USA, Inc. from 2011 to 2015.
Education includes an MBA from Massachusetts Institute of Technology and an undergraduate degree from The Hebrew University of Jerusalem conferred in 1983.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
SIMILARWEB LTD. 12.43% | 2026-05-19 | 10,885,778 ( 12.43% ) | 101 M $ | 2026-08-30 |
| 2025-03-30 | 2,216,216 ( 0.1% ) | 2 M $ | 2026-08-30 | |
Pagaya Technologies Ltd.
 Pagaya Technologies Ltd. Packaged SoftwareTechnology Services Develops AI technology and data science solutions for financial industry 0.11% | 2025-09-29 | 82,381 ( 0.11% ) | 2 M $ | 2026-08-30 |
Harel Beit-On active positions
| Companies | Position | Start |
|---|---|---|
| B. GAON HOLDINGS LTD. | Chairman | 2013-04-30 |
| GENERATION CAPITAL LTD | Director/Board Member | 2018-05-26 |
| GAON GROUP LTD. | Chairman | 2014-03-01 |
Viola Ventures Ltd.
 Viola Ventures Ltd. Investment ManagersFinance Viola Ventures invests in companies located in Israel. The firm targets companies operating across a broad range of sectors and industries. It provides financing for pre-seed, seed and early stage capital requirements with an investment size ranging from USD 0.5 to 10 million. | Founder | 1999-12-31 |
EX.CO
 EX.CO Internet Software/ServicesTechnology Services Provides online platform services for publishers and businesses | Director/Board Member | 2017-09-30 |
Global Data Center Ltd.
 Global Data Center Ltd. Data Processing ServicesTechnology Services Provides data center services from server hosting to cloud computing | Director/Board Member | - |
RRsat Global Communications, Inc.
 RRsat Global Communications, Inc. Specialty TelecommunicationsCommunications Provides end-to-end transmission services | Director/Board Member | - |
The Hebrew University of Jerusalem
 The Hebrew University of Jerusalem Other Consumer ServicesConsumer Services Functions as a College/University | Chairman | 2018-05-31 |
Lm Co. Ltd.
 Lm Co. Ltd. Other Consumer ServicesConsumer Services Lm Co. Ltd., operating under the L.M. Group brand, is an Israeli human resources and recruitment company specializing in comprehensive staffing solutions across sectors such as human resources, customer service, sales, banking, manufacturing, industry, logistics, construction, agriculture, and caregiving. The company is located in Israel. The company provides services including temporary staffing, senior executive placement, foreign worker recruitment with legal and logistical support, outsourcing, managed services, mystery shopping, promotional staffing, call center management, and advanced HR technology tools like digital interviews, employment assessments, and AI training solutions. Its website offers job seekers tools for employment diagnostics, resume writing, interview preparation, and career guidance, while employers have access to hiring tools and workforce management resources. | Director/Board Member | - |
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Former positions of Harel Beit-On
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Training of Harel Beit-On
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
76
1st degree connections
37
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 37 |
|---|---|
Tecnomatix Technologies Ltd.
 Tecnomatix Technologies Ltd. Information Technology ServicesTechnology Services Provides prepackaged software services | Technology Services |
Lumenis Ltd.
 Lumenis Ltd. Medical SpecialtiesHealth Technology Designs and manufactures laser pulsed light devices for aesthetics and vision markets | Health Technology |
ECtel Ltd.
 ECtel Ltd. Information Technology ServicesTechnology Services Provides communications companies with tools for monitoring networks, managing data and preventing fraud and accounting errors | Technology Services |
Viola Ventures Ltd.
Viola Ventures Ltd. Investment ManagersFinance Viola Ventures invests in companies located in Israel. The firm targets companies operating across a broad range of sectors and industries. It provides financing for pre-seed, seed and early stage capital requirements with an investment size ranging from USD 0.5 to 10 million. | Finance |
Amiad Water Systems Ltd.
 Amiad Water Systems Ltd. Industrial MachineryProducer Manufacturing Manufactures and supplies water filters & filtration systems to the industrial and irrigation industries | Producer Manufacturing |
RR Media Ltd.
 RR Media Ltd. Telecommunications EquipmentElectronic Technology Provides television broadcasting and satellite telecommunicating services | Electronic Technology |
MyThings, Inc.
 MyThings, Inc. Advertising/Marketing ServicesCommercial Services Provides custom programmatic advertisement solutions | Commercial Services |
Orad Hi-Tec Systems Ltd.
 Orad Hi-Tec Systems Ltd. Packaged SoftwareTechnology Services Engages in the development, production, marketing and distribution of three dimensional real-time graphic solutions | Technology Services |
Gaon Group Ltd.
 Gaon Group Ltd. SteelNon-Energy Minerals Manufactures and distributes steel tubes | Non-Energy Minerals |
Aeronautics Ltd.
 Aeronautics Ltd. Aerospace & DefenseElectronic Technology Designs, manufactures and markets unmanned aerial systems, drones and munition products for defense | Electronic Technology |
Massachusetts Institute of Technology
 Massachusetts Institute of Technology Finance/Rental/LeasingFinance Functions as a College/University | Finance |
The Hebrew University of Jerusalem
The Hebrew University of Jerusalem Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
CogniTens, Inc.
 CogniTens, Inc. Information Technology ServicesTechnology Services Provides 3D optical measurement solutions and engineering services | Technology Services |
Zend Technologies USA, Inc.
 Zend Technologies USA, Inc. Packaged SoftwareTechnology Services Provides software and services for developing, deploying and managing business-critical applications in PHP | Technology Services |
Red Bend Software, Inc.
 Red Bend Software, Inc. Packaged SoftwareTechnology Services Provides mobile software management services | Technology Services |
Pulsar Welding Ltd.
 Pulsar Welding Ltd. Industrial MachineryProducer Manufacturing Provides magnetic pulse technology solutions | Producer Manufacturing |
B. Gaon Holdings Ltd.
 B. Gaon Holdings Ltd. Financial ConglomeratesFinance Provides investment and financial management services | Finance |
OptimalPlus Ltd.
 OptimalPlus Ltd. Packaged SoftwareTechnology Services Provides data analytics solutions for automotive, semiconductor and electronics industries | Technology Services |
RRsat Global Communications, Inc.
RRsat Global Communications, Inc. Specialty TelecommunicationsCommunications Provides end-to-end transmission services | Communications |
Clarizen Ltd.
 Clarizen Ltd. Packaged SoftwareTechnology Services Provides collaborative online project management software | Technology Services |
Shunra Software Ltd.
 Shunra Software Ltd. Information Technology ServicesTechnology Services Develops and delivers hardware & software network simulation products | Technology Services |
Lumenis, Inc.
 Lumenis, Inc. Medical DistributorsDistribution Services Manufactures and supplies medical equipment | Distribution Services |
Viola Growth
 Viola Growth Investment ManagersFinance Viola Growth invests in companies located in Israel. The firm targets companies operating in the fields of enterprise software, cloud & data infrastructure, fintech & insurtech, healthcare & medical, proptech and e-commerce & retail sectors. It participates in growth stage capital requirements with an investment size of USD 15-20 million. | Finance |
Viola Group
 Viola Group Financial ConglomeratesFinance Provides investment services | Finance |
SimilarWeb Ltd.
 SimilarWeb Ltd. Packaged SoftwareTechnology Services Develops digital market intelligence platform | Technology Services |
a-connect (schweiz) AG
 a-connect (schweiz) AG Miscellaneous Commercial ServicesCommercial Services Provides management consulting services and solutions | Commercial Services |
Automax Motors Ltd.
 Automax Motors Ltd. Internet Software/ServicesTechnology Services Provides online vehicles marketing services | Technology Services |
Behalf, Inc.
 Behalf, Inc. Packaged SoftwareTechnology Services Develops digital platform that facilitates payments and accelerates cash flow | Technology Services |
Viola-LM Partners LP | |
EX.CO
EX.CO Internet Software/ServicesTechnology Services Provides online platform services for publishers and businesses | Technology Services |
Lm Co. Ltd.
Lm Co. Ltd. Other Consumer ServicesConsumer Services Lm Co. Ltd., operating under the L.M. Group brand, is an Israeli human resources and recruitment company specializing in comprehensive staffing solutions across sectors such as human resources, customer service, sales, banking, manufacturing, industry, logistics, construction, agriculture, and caregiving. The company is located in Israel. The company provides services including temporary staffing, senior executive placement, foreign worker recruitment with legal and logistical support, outsourcing, managed services, mystery shopping, promotional staffing, call center management, and advanced HR technology tools like digital interviews, employment assessments, and AI training solutions. Its website offers job seekers tools for employment diagnostics, resume writing, interview preparation, and career guidance, while employers have access to hiring tools and workforce management resources. | Consumer Services |
AAF Aquagro Management Ltd. | |
AquaAgro Fund LP | |
Cyberint Technologies Ltd.
 Cyberint Technologies Ltd. Packaged SoftwareTechnology Services Develops platform that detect and mitigate external cyber threats | Technology Services |
Global Data Center Ltd.
Global Data Center Ltd. Data Processing ServicesTechnology Services Provides data center services from server hosting to cloud computing | Technology Services |
Insurify, Inc.
 Insurify, Inc. Packaged SoftwareTechnology Services Operates as an platform that provides advisory services to compare, buy and manage auto & home insurance policies | Technology Services |
Generation Capital Ltd.
 Generation Capital Ltd. Investment Trusts/Mutual FundsMiscellaneous Invests in infrastructure assets | Miscellaneous |
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