Brian Rosenzweig
Co-Founder, Partner @ Joule Ventures
Atlanta, United States
Brian Rosenzweig is a seed investor at Joule Ventures in Atlanta focused on Cyber Security and Software. Brian Rosenzweig is the Co-Founder and Partner at Joule Ventures.
- Total investments:
- 10
- Last investment:
- Lead investor:
- 80%
Last updated:
For AI agents: llms.txt
Industries Brian Rosenzweig invests in
Stages Brian Rosenzweig invests in
Countries Brian Rosenzweig invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Cyber Security 3 (30%)
- Software 2 (20%)
- PaaS 1 (10%)
- DevOps 1 (10%)
- Consulting 1 (10%)
Country
- Israel 3 (30%)
- United States 1 (10%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Pynt
|
Pynt is an automated API security testing tool that enables enterprises to easily eliminate complicated application security issues from the beginning of the development lifecycle. | $6M / Seed / Sep 05, 2023 | |
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Pynt
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Pynt is an automated API security testing tool that enables enterprises to easily eliminate complicated application security issues from the beginning of the development lifecycle. | $6M / Seed / Sep 05, 2023 | |
Acsense
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AccSenSe develops a platform to manage and protect cloud Identity and access management systems from cyber-attacks and human errors. | $5M / Seed / Jan 05, 2023 | |
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Acsense
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AccSenSe develops a platform to manage and protect cloud Identity and access management systems from cyber-attacks and human errors. | $5M / Seed / Jan 05, 2023 | |
Arnica
|
Arnica is a framework for DevOps supply chain security that is behavior-based. | $7M / Seed / Oct 25, 2022 | |
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Arnica
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Arnica is a framework for DevOps supply chain security that is behavior-based. | $7M / Seed / Oct 25, 2022 | |
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Arnica
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Arnica is a framework for DevOps supply chain security that is behavior-based. | Seed / Aug 02, 2021 | |
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Arnica
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Arnica is a framework for DevOps supply chain security that is behavior-based. | Seed / Aug 02, 2021 | |
Darillium
|
Darillium is on a mission to enable enterprises to design and release new business services faster and with less risk across multiple platforms and clouds. | $2M / Seed / Nov 15, 2018 | |
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Darillium
|
Darillium is on a mission to enable enterprises to design and release new business services faster and with less risk across multiple platforms and clouds. | $2M / Seed / Nov 15, 2018 |
Co-Investors
About Joule Ventures
Joule Ventures is a U.S.-based partner-only seed fund providing best-in-class structural and commercialization support to Israel’s most compelling enterprise-focused entrepreneurs. Our dedication to founders is evident in the efficiency of our operations, the value we deliver starting well before the investment, and our commitment to day onerelationship building between key stakeholders. In an increasingly transactional market, we remain a steadfast people-first, principles-driven investor.
Joule Ventures Contacts
| Name | Phone | Socials | |
|---|---|---|---|
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Brian Rosenzweig
Co-Founder, Partner
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Dafna Winocur Biran
Partner
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Daniel Frankenstein
Co-Founder | Partner
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FAQ
What does Brian Rosenzweig invest in?
Brian Rosenzweig invests primarily in Cyber Security, Software and PaaS startups, most often at Seed stage. Most of the 10 investments tracked by Shizune back companies in Israel. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Brian Rosenzweig?
Public channels for Brian Rosenzweig include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Brian Rosenzweig last invest?
The most recent investment recorded for Brian Rosenzweig closed in Sep 2023. Shizune tracks 10 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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