# Yaron Wolfsthal

> Yaron Wolfsthal is a Series B investor at IBM (Be'er Sheva) backing Network Security. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [IBM](https://shizune.co/investors/profile/ibm)
- Location: Be'er Sheva, Israel
- Total investments: 2
- Last investment: May 2025
- Lead investor: 50%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/wolfsthal/

Yaron Wolfsthal is a Series B investor at IBM in Be'er Sheva focused on Network Security. Dr. Yaron Wolfsthal is the founder and head of IBM's Security Center of Excellence in Beer Sheva, where his research team is developing cutting-edge technologies and solutions for advanced cyber threats. He has extensive experience in leading multinational research and development teams, and holds a major role in setting IBM's securityresearch strategy and in accelerating the delivery of security innovation into IBM's product portfolio. Dr. Wolfsthal is an active contributor to industrial and academic working groups and regularly speaks in key professional conferences. A Senior Member of IEEE, he has authored over 50 scientific publications, and holds BSc, MSc, and PhD degrees in Computer Science and an MBA degree, all from the Technion - Israel's Institute of Technology.

## Investment focus

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 1 | 50% |
| Funding Round | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Ox Security | Ox Security is the end-to-end software supply chain security platform for DevSecOps. | $60M | Series B | May 07, 2025 |  |
| Ox Security | Ox Security is the end-to-end software supply chain security platform for DevSecOps. |  |  |  |  |

2 of 2 investments shown.

## Co-investors
- [DTCP](https://shizune.co/investors/profile/dtcp) — VC Fund, 1 deal together
- [Evolution Equity Partners](https://shizune.co/investors/profile/evolution-equity-partners) — VC Fund, 1 deal together
- [Microsoft](https://shizune.co/investors/profile/microsoft) — VC Fund, 1 deal together
- [Swisscom Ventures](https://shizune.co/investors/profile/swisscom-ventures) — VC Fund, 1 deal together
- [Team8](https://shizune.co/investors/profile/team8) — VC Fund, 1 deal together

## About IBM

VC Fund · Armonk, United States

IBM is a technology and innovation company that offers a wide range of technology and consulting services; a broad portfolio of middleware for collaboration, predictive analytics, software development, and systems management. It offers services across AI, machine learning, cybersecurity, analytics, DevOps, and more, helping businesses innovate andautomate processes.

5 contacts available at IBM.

| Name | Title | Profile |
| --- | --- | --- |
| James Owens | Member of the Board of Directors | https://shizune.co/investors/profile/james-w-owens |
| Joan Spero | Member of the Board of Directors | https://shizune.co/investors/profile/joan-spero |
| Peter Voser | Member of the Board of Directors | https://shizune.co/investors/profile/peter-r-voser |
| Yaron Wolfsthal | Director, IBM Cybersecurity Center of Excellence | https://shizune.co/investors/profile/yaron-wolfsthal |
| Alicja Gilderdale | DevOps & Middleware Engineering Lead | https://shizune.co/investors/profile/alicja-gilderdale |

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### Similar stage
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## FAQ

### What does Yaron Wolfsthal invest in?

Yaron Wolfsthal invests primarily in Network Security startups, most often at Series B and Funding Round stage. Most of the 2 investments tracked by Shizune back companies in Israel. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Yaron Wolfsthal last invest?

The most recent investment recorded for Yaron Wolfsthal closed in May 2025. Shizune tracks 2 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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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