![Guy Gamzu](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>)
Guy Gamzu
Founder at
Cubit Investments Ltd.
Net worth: 4 M $ as of 2026-07-30
Profile
Guy Gamzu is the founder of Cubit Investments Ltd., founded in 1998, serving as Managing Director.
Mr. Gamzu was the founder of Sizmek Technologies, Inc., founded in 1999, serving as Director from 1999 to 2011.
Mr. Gamzu was the founder of eToro Group Ltd., founded in 2007, serving as Director from 2010 to 2011.
Mr. Gamzu was the founder of Chatflow Ltd., founded in 2013, serving as Chairman.
Mr. Gamzu is also the founder of Vyzer Financial Services Ltd...
Current jobs include Director at eToro USA LLC, Sightix Ltd., TriviaOnNet.com, MarketGuru, Inc., Real Broker LLC; Director & Partner at Moon Active Ltd. since 2012; Independent Director at Real REMAX Group, Inc. starting 2026.
Former jobs include Director at Quiver, Inc., PayPal Israel Ltd., MediaBoost Ltd., Neteos, Mirtemis Ltd., Fiverr International Ltd., Gilian Technologies, Inc., EyeClick, Inc., VI Labs Ltd., Atlas Invest Big Data Ltd., and Independent Director at The Real Brokerage, Inc. from 2020 to 2026.
Education includes undergraduate degree from Bayes Business School.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
0.77% | 2026-08-23 | 1,684,362 ( 0.77% ) | 3 M $ | 2026-07-30 |
12.43% | 2025-10-19 | 4,600,000 ( 12.43% ) | 1 M $ | 2026-07-30 |
Guy Gamzu active positions
| Companies | Position | Start |
|---|---|---|
Sightix Ltd. | Director/Board Member | - |
TriviaOnNet.com
 TriviaOnNet.com Packaged SoftwareTechnology Services Develops online trivia games | Director/Board Member | - |
eToro USA LLC
 eToro USA LLC Packaged SoftwareTechnology Services Develops online forex trading software | Director/Board Member | - |
MarketGuru, Inc.
 MarketGuru, Inc. Packaged SoftwareTechnology Services Operates as a marketplace analytics and competitive intelligence platform intended to serve businesses and other e-commerce marketplaces | Director/Board Member | 2010-03-11 |
Cubit Investments Ltd.
 Cubit Investments Ltd. Investment ManagersFinance Cubit Investments invest in companies located in Israel. The firm focuses on companies operating across a broad range of sectors and industries. It participates in seed and early-stage capital requirements. | Founder | 2011-03-15 |
Real Broker LLC
 Real Broker LLC Internet Software/ServicesTechnology Services Operates as a cloud-based platform for real estate agents to provide seamless end-to-end experience for homebuyers and sellers | Director/Board Member | - |
Moon Active Ltd.
 Moon Active Ltd. Packaged SoftwareTechnology Services Develops mobile games | Director/Board Member | 2011-12-31 |
Former positions of Guy Gamzu
| Companies | Position | End |
|---|---|---|
The Real Brokerage, Inc.
 The Real Brokerage, Inc. Miscellaneous Commercial ServicesCommercial Services Develops proprietary mobile app | Director/Board Member | 2026-08-23 |
Sizmek Technologies, Inc.
 Sizmek Technologies, Inc. Advertising/Marketing ServicesCommercial Services Provides digital advertising solutions | Founder | 2011-07-25 |
| ░░ ░░░░░░░░░░░░░ ░░░░ ░░░░ ░░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
| ░░░░░ ░░░░░░░░░ ░░░░░░░░ ░░░░ | ░░░░░░░ | - |
Training of Guy Gamzu
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
56
1st degree connections
22
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 22 |
|---|---|
Quiver, Inc.
 Quiver, Inc. Packaged SoftwareTechnology Services Develops and markets information management software | Technology Services |
Sizmek Technologies, Inc.
Sizmek Technologies, Inc. Advertising/Marketing ServicesCommercial Services Provides digital advertising solutions | Commercial Services |
eToro USA LLC
eToro USA LLC Packaged SoftwareTechnology Services Develops online forex trading software | Technology Services |
Bayes Business School
 Bayes Business School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
PayPal Israel Ltd.
 PayPal Israel Ltd. Packaged SoftwareTechnology Services Develops fraud prevention software services | Technology Services |
EyeClick, Inc.
 EyeClick, Inc. Packaged SoftwareTechnology Services Develops games | Technology Services |
eToro Group Ltd.
 eToro Group Ltd. Packaged SoftwareTechnology Services Operates as platform for trading and investing in equities, crypto assets, commodities, currencies & options | Technology Services |
Sightix Ltd. | |
TriviaOnNet.com
TriviaOnNet.com Packaged SoftwareTechnology Services Develops online trivia games | Technology Services |
MediaBoost Ltd.
 MediaBoost Ltd. Packaged SoftwareTechnology Services Develops and markets real time decision making software solutions for auction based online advertising | Technology Services |
Cubit Investments Ltd.
Cubit Investments Ltd. Investment ManagersFinance Cubit Investments invest in companies located in Israel. The firm focuses on companies operating across a broad range of sectors and industries. It participates in seed and early-stage capital requirements. | Finance |
Neteos | |
Mirtemis Ltd.
 Mirtemis Ltd. Mirtemis Ltd. is an Israeli company. The company is located in Israel. | |
MarketGuru, Inc.
MarketGuru, Inc. Packaged SoftwareTechnology Services Operates as a marketplace analytics and competitive intelligence platform intended to serve businesses and other e-commerce marketplaces | Technology Services |
Fiverr International Ltd.
 Fiverr International Ltd. Data Processing ServicesTechnology Services Operates an online marketplace that allows the people to buy and sell digital services with freelance work | Technology Services |
Gilian Technologies, Inc. | |
Moon Active Ltd.
Moon Active Ltd. Packaged SoftwareTechnology Services Develops mobile games | Technology Services |
Chatflow Ltd.
 Chatflow Ltd. Packaged SoftwareTechnology Services Develops a mobile application for emails & media | Technology Services |
Real Broker LLC
Real Broker LLC Internet Software/ServicesTechnology Services Operates as a cloud-based platform for real estate agents to provide seamless end-to-end experience for homebuyers and sellers | Technology Services |
VI Technologies, Inc. (New York)
 VI Technologies, Inc. (New York) Aerospace & DefenseElectronic Technology Manufactures wearable instruments for measuring human performances | Electronic Technology |
The Real Brokerage, Inc.
The Real Brokerage, Inc. Miscellaneous Commercial ServicesCommercial Services Develops proprietary mobile app | Commercial Services |
Vyzer Financial Services Ltd.
 Vyzer Financial Services Ltd. Packaged SoftwareTechnology Services Develops online platform that managing, controlling and monitoring for investments | Technology Services |
- Stock Market
- Insiders
- Guy Gamzu
