Joseph Horowitz
Net worth: 135 726 $ as of 30/05/2026
Net worth: 135 726 $ as of 30/05/2026
Joseph Horowitz is the founder of Icon Ventures LLC, serving as Managing General Partner since 2003.
Current jobs include Director at Devicescape Software, Inc., Director at Moov Corp.
since 2013, Director at TuneIn, Inc., Director at Synack, Inc., Director at Global Worldwide, Inc. since 2019, Director at WorkMetro, Inc., Director at Zephyr Health, Inc. since 2014, Director at Volansi, Inc., Director at Global Worldwide LLC (California) since 2019, Independent Director at PLAYSTUDIOS, Inc. since 2021, and Director at Icon Flex SPV LLC.
Former jobs include Chairman & Chief Executive Officer at Geocast Network Systems, Inc. from 1999 to 2001, Director at Redseal, Inc., Director at TrueX, Inc. from 2008 to 2015, Director at Hara Software, Inc., Director at National Venture Capital Association from 2017 to 2021, Director at Mimosa Systems, Inc. from 2005 to 2010, Director at SiTime Corp.
from 2007 to 2014, Director at Western Association of Venture Capitalists, Director at Ocarina Networks, Inc. from 2008 to 2010, Director at Aster Data Systems, Inc. from 2008 to 2011, Director at Area 1 Security, Inc. from 2015 to 2022, Principal at Sun Microsystems, Inc., Board Member at KIXEYE, Inc. from 2011 to 2019, Principal at Exxon Enterprises, Inc. from 1979 to 1982, and Principal at Rally Ventures Management LLC.
Education includes an undergraduate degree from The Trustees of Columbia University in The City of New York and an MBA from The Wharton School of the University of Pennsylvania, conferred in 1979.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 04/05/2026 | 244,992 ( 0.22% ) | 135 726 $ | 30/05/2026 |
| Companies | Position | Start |
|---|---|---|
| PLAYSTUDIOS, INC. | Director/Board Member | 20/06/2021 |
Icon Ventures LLC
Icon Ventures LLC Investment ManagersFinance Icon Ventures invests in companies located in the United States. The firm focuses on enterprise, data management, cybersecurity, digital health, and consumer sectors. It provides financing for seed and early stage capital requirements and also acts as a lead investor. | Founder | 28/02/2003 |
Synack, Inc.
Synack, Inc. Packaged SoftwareTechnology Services Operates a platform which provides a subscription security-as-a-service solution that redefines the static, signature-centric model of security testing and vulnerability discovery | Director/Board Member | - |
Global Worldwide, Inc.
Global Worldwide, Inc. Packaged SoftwareTechnology Services Engages in agriculture, materials science and genetic engineering AI, pharmaceuticals testing & mobile games development services | Director/Board Member | 31/05/2019 |
Global Worldwide LLC (California)
Global Worldwide LLC (California) Miscellaneous Commercial ServicesCommercial Services Global Worldwide LLC is a company that has been a leader in various industries such as Agriculture, Materials Science, Genetic Engineering, Election Management Systems, and Pharmaceutical Testing since its establishment in 1945. The company's divisions are known for their productive and science-based innovation in meeting customer needs and addressing challenges. Additionally, Worldwide has expanded its operations to include the development of mobile video games. The company is based in California. | Director/Board Member | 31/05/2019 |
Icon Flex SPV LLC
Icon Flex SPV LLC Investment ManagersFinance Functions as a venture capital fund | Director/Board Member | - |
Volansi, Inc.
Volansi, Inc. Packaged SoftwareTechnology Services Develops software and provides cyber security services | Director/Board Member | - |
Moov Corp.
Moov Corp. Packaged SoftwareTechnology Services Develops and offers a website virtualization platform | Director/Board Member | 26/03/2013 |
Devicescape Software, Inc.
Devicescape Software, Inc. Packaged SoftwareTechnology Services Provides software services and solutions | Director/Board Member | - |
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Active
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Listed companies
Private companies
1st degree connections
1st degree companies
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Members of the board
Executives
| Private companies | 29 |
|---|---|
Sun Microsystems, Inc.
Sun Microsystems, Inc. SemiconductorsElectronic Technology Develops computer and storage systems, high-speed microprocessors and software solutions for computer networking | Electronic Technology |
Redseal, Inc.
Redseal, Inc. Packaged SoftwareTechnology Services Provides proactive security management solutions | Technology Services |
Devicescape Software, Inc.
Devicescape Software, Inc. Packaged SoftwareTechnology Services Provides software services and solutions | Technology Services |
TuneIn, Inc.
TuneIn, Inc. Packaged SoftwareTechnology Services Operates as a radio, music, podcasts and news streaming audio platform | Technology Services |
Moov Corp.
Moov Corp. Packaged SoftwareTechnology Services Develops and offers a website virtualization platform | Technology Services |
TrueX, Inc.
TrueX, Inc. Advertising/Marketing ServicesCommercial Services Provides social media advertising services | Commercial Services |
KIXEYE, Inc.
KIXEYE, Inc. Internet Software/ServicesTechnology Services Provides online gaming services | Technology Services |
Hara Software, Inc.
Hara Software, Inc. Packaged SoftwareTechnology Services Provides cloud-based software platform products | Technology Services |
The Trustees of Columbia University in The City of New York
The Trustees of Columbia University in The City of New York Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Icon Ventures LLC
Icon Ventures LLC Investment ManagersFinance Icon Ventures invests in companies located in the United States. The firm focuses on enterprise, data management, cybersecurity, digital health, and consumer sectors. It provides financing for seed and early stage capital requirements and also acts as a lead investor. | Finance |
Mimosa Systems, Inc.
Mimosa Systems, Inc. Information Technology ServicesTechnology Services Provides information immediacy, discovery, and continuity services | Technology Services |
SiTime Corp.
SiTime Corp. SemiconductorsElectronic Technology Develops and manufactures analog semiconductors | Electronic Technology |
National Venture Capital Association
National Venture Capital Association Miscellaneous Commercial ServicesCommercial Services Provides business association services | Commercial Services |
Western Association of Venture Capitalists | |
Ocarina Networks, Inc.
Ocarina Networks, Inc. Data Processing ServicesTechnology Services Provides network subsystems | Technology Services |
WorkMetro, Inc.
WorkMetro, Inc. Internet Software/ServicesTechnology Services Provides online recruiting solutions | Technology Services |
Exxon Enterprises, Inc. | |
Aster Data Systems, Inc.
Aster Data Systems, Inc. Data Processing ServicesTechnology Services Provides data analytics solutions for the enterprises | Technology Services |
Geocast Network Systems, Inc. | |
Rally Ventures Management LLC
Rally Ventures Management LLC Investment ManagersFinance Rally Ventures invests in companies located in the United States. The firm targets companies operating in the fields of AI pure play, cybersecurity and SaaS sectors. It provides financing for early stage capital requirements. | Finance |
Synack, Inc.
Synack, Inc. Packaged SoftwareTechnology Services Operates a platform which provides a subscription security-as-a-service solution that redefines the static, signature-centric model of security testing and vulnerability discovery | Technology Services |
The Wharton School of the University of Pennsylvania
The Wharton School of the University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Zephyr Health, Inc.
Zephyr Health, Inc. Packaged SoftwareTechnology Services Develops an insights-as-a-service based enterprise software for organizing and visualizing health data for the life sciences industry | Technology Services |
Area 1 Security, Inc.
Area 1 Security, Inc. Packaged SoftwareTechnology Services Develops threat intelligence solutions for eliminating targeted socially engineered cyber attacks | Technology Services |
Volansi, Inc.
Volansi, Inc. Packaged SoftwareTechnology Services Develops software and provides cyber security services | Technology Services |
Global Worldwide LLC (California)
Global Worldwide LLC (California) Miscellaneous Commercial ServicesCommercial Services Global Worldwide LLC is a company that has been a leader in various industries such as Agriculture, Materials Science, Genetic Engineering, Election Management Systems, and Pharmaceutical Testing since its establishment in 1945. The company's divisions are known for their productive and science-based innovation in meeting customer needs and addressing challenges. Additionally, Worldwide has expanded its operations to include the development of mobile video games. The company is based in California. | Commercial Services |
PLAYSTUDIOS, Inc.
PLAYSTUDIOS, Inc. Packaged SoftwareTechnology Services Publishes free to play casual games | Technology Services |
Icon Flex SPV LLC
Icon Flex SPV LLC Investment ManagersFinance Functions as a venture capital fund | Finance |
Global Worldwide, Inc.
Global Worldwide, Inc. Packaged SoftwareTechnology Services Engages in agriculture, materials science and genetic engineering AI, pharmaceuticals testing & mobile games development services | Technology Services |
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