Joule Ventures

First-check fund for Israeli founders commercializing enterprise-grade solutions in U.S. markets.

Venture Capital Active New York, United States Est. 2010
Visit website ↗ LinkedIn
Last updated 2026-07-20
Portfolio
9
in our dataset
Rounds participated
10
Rounds led
1
Rounds' value
$8.3M
total disclosed, rounds participated
Stages
Pre-Seed, Seed

About

Joule Ventures is a U.S.-based partner-only seed fund that invests in Israeli-founded technology businesses commercializing enterprise solutions in the United States. The firm focuses on Israeli entrepreneurs building solutions for enterprise inefficiencies in sectors like DevOps, Cybersecurity, Fintech, Artificial Intelligence, Data Enablement, and Software. Joule Ventures aims to provide hands-on support and accelerate U.S. commercialization for its portfolio companies through market validation, customer connections, and team recruitment.

Portfolio · 9

Twang
Voice Application Development Platform
1 round Latest: 2021-10
TRSTai
Real-time AI/ML Audit and Remediation Solution
1 round Latest: 2021-08
Altostra
Modern Cloud Application Development Tools
Led ★ 1 round Latest: 2019-10
Darillium
Multiple-cloud Management Platform
1 round $2.0M committed Latest: 2018-11
IsItYou
Biometric Fraud Prevention
1 round $1.0M committed Latest: 2016-03
Sensegon
Psychosocial Solutions for Digital Advertising
2 rounds $2.5M committed Latest: 2013-12
Sevenpop
Audio and Visual Solution for Businesses
1 round $400K committed Latest: 2013-01
Total Boox
Library Vendor for eBooks
1 round $500K committed Latest: 2013-01
Todacell
Mobile Advertising Network
1 round $2.0M committed Latest: 2012-06

Investment activity

10 portfolio exits on record.

Portfolio by sector

Business Software16
Cyber Security10
Fintech & Insurtech4
Industrial Technologies3
Media & Entertainment Technologies3

Funds · 2

  • Joule V — $75M Jun 2025
  • Joule IV — $65M Nov 2021

Q&A

What is Joule Ventures' investment thesis?
Joule Ventures focuses on being first-check investors for Israeli founders who are commercializing enterprise-grade solutions in U.S. markets.
What are the most recent funds raised by Joule Ventures?
Joule Ventures raised Fund Joule V in June 2025 with $75M, and Fund Joule IV in November 2021 with $65M.
Which notable exits has Joule Ventures had recently?
Joule Ventures had a notable exit in May 2024 with the acquisition of BioCatch by Permira for $750M. They also saw Pynt acquired by Radware in January 2026.
What are Joule Ventures' preferred investment stages?
Joule Ventures primarily invests in Pre-Seed and Seed stage companies.
Which sectors does Joule Ventures focus on for investments?
Joule Ventures shows a strong concentration in Business Software and Cyber Security, with 26 and 19 investment rounds respectively.
Who are the co-founders and General Partners at Joule Ventures?
The co-founders and General Partners at Joule Ventures are Brian Rosenzweig and Daniel Frankenstein.
Can you name some of Joule Ventures' recent portfolio companies?
Some of Joule Ventures' recent portfolio companies include Acsense, which raised $5.35M in Seed funding, and ControlMonkey, which raised $7M in Seed funding.
What is the geographic focus for Joule Ventures' investments?
Joule Ventures focuses on Israeli founders commercializing solutions in U.S. markets, indicating a preference for Israeli and Non-Israeli investments.
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