# Josef Brunner

> Josef Brunner is a seed investor at Munich Venture Partners backing Software. See 6 investments, round sizes, portfolio and contact details. Updated Oct 2026.

- Type: Angel Investor
- Fund: [Munich Venture Partners](https://shizune.co/investors/profile/munich-venture-partners)
- Location: Munich, Germany
- Total investments: 6
- Last investment: Oct 2021
- Lead investor: 0%
- Last updated: Oct 2026
- LinkedIn: https://www.linkedin.com/in/josef-brunner-85203915/
- X (Twitter): http://twitter.com/josefbrunner

Josef Brunner is a seed investor at Munich Venture Partners in Munich focused on Software and Internet of Things. Josef Brunner has a successful track record of starting and growing companies, beginning at age 16 when he founded one of the first unified threat management systems. After selling the company to Azlan (now Techdata), Brunner remained to lead the business as head of security. In 2004, Brunner founded Bastille Networks, a company focused onproactive security prevention and monitoring, then sold its main assets to Integralis (now part of NTT Telecom) in 2007. His last startup, JouleX, was acquired by Cisco for 107m in cash in June 2013. Through his venture company, AFT Ventures, Brunner is actively investing in young startups.

## Contacts

5 contacts available for Josef Brunner: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/josef-brunner?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 3 | 50% |
| Internet of Things | 2 | 33% |
| Industrial Manufacturing | 2 | 33% |
| SaaS | 1 | 17% |
| Analytics | 1 | 17% |

16 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 3 | 50% |
| Series A | 1 | 17% |
| Series B | 1 | 17% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Germany | 2 | 33% |
| United States | 2 | 33% |

## Investments

| Company | Description | Round size | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| SPARETECH | SPARETECH’s Vertical AI software enables maintenance and procurement teams in manufacturing to reliably reduce spend and optimize inventory by sourcing spare parts inside or outside their production network and stop buying parts they already have. | $6.2M | Seed | Oct 04, 2021 | https://www.sparetech.io/ |
| corrux | corrux builds software that enables enterprises to maximize the efficiency of industrial equipment. The company’s analytics layer lets construction companies and OEMs understand their heavy machinery - ranging from excavators to track laying machines. | $3.1M | Seed | Feb 11, 2019 | https://corrux.io/ |
| Relayr | relayr is a rapidly-growing IoT company providing enterprise middleware and IoT solutions for the digital transformation of industries. As a thought leader in enterprise IoT, relayr enables interoperability through industrial-grade platforms.Their software enables comprehensive data analytics and management, empowering businesses to create newsolutions and revenue streams with data collected from any device, through any connectivity, throughout any IT ecosystem. |  | Series B | Nov 21, 2017 | http://relayr.io/ |
| Relayr | relayr is a rapidly-growing IoT company providing enterprise middleware and IoT solutions for the digital transformation of industries. As a thought leader in enterprise IoT, relayr enables interoperability through industrial-grade platforms.Their software enables comprehensive data analytics and management, empowering businesses to create newsolutions and revenue streams with data collected from any device, through any connectivity, throughout any IT ecosystem. | $23M | Series B | Nov 01, 2016 | http://relayr.io/ |
| Relayr | relayr is a rapidly-growing IoT company providing enterprise middleware and IoT solutions for the digital transformation of industries. As a thought leader in enterprise IoT, relayr enables interoperability through industrial-grade platforms.Their software enables comprehensive data analytics and management, empowering businesses to create newsolutions and revenue streams with data collected from any device, through any connectivity, throughout any IT ecosystem. | $11M | Series A | Nov 05, 2015 | http://relayr.io/ |
| Neokami | Neokami is a breakthrough Artificial Intelligence software company. Leveraging next generation machine learning algorithms, Neokami's core platform has been optimized to solve a focused set of today’s pressing data security problems. The product enables companies to discover, classify and help secure sensitive data in the cloud, on premise,or across their physical assets. | $1.1M | Seed | Jul 08, 2015 | http://www.neokami.com |

6 of 6 investments shown.

## Co-investors
- [Kleiner Perkins](https://shizune.co/investors/profile/kleiner-perkins-caufield-byers) — VC Fund, 3 deals together
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund, 2 deals together
- [Cisco Investments](https://shizune.co/investors/profile/cisco-investments) — VC Fund, 2 deals together
- [Munich Re Ventures](https://shizune.co/investors/profile/munich-re-hsb-ventures) — VC Fund, 2 deals together
- [Blue Ivy Ventures](https://shizune.co/investors/profile/blue-ivy-ventures) — VC Fund, 1 deal together
- [Castor Ventures](https://shizune.co/investors/profile/castor-ventures) — VC Fund, 1 deal together

## About Munich Venture Partners

VC Fund · Munich, Germany

Munich Venture Partners (MVP) is the high-tech venture capital specialist based in Munich, and one of Germany's largest. As an independent venture fund, MVP concentrates on investments for leading-edge start-up companies with Transformative Technologies, which will fundamentally transform established value chains. The investment focus is inEurope and on a select basis, beyond. Relevant sectors include: IoT, Mobility, Energy, Advanced Materials, AI, and Robotics.MVP was founded in 2005 and is part funded by the European Union and its Competitiveness and Innovation Framework Programme (CIP).

5 contacts available at Munich Venture Partners.

| Name | Title | Profile |
| --- | --- | --- |
| Martin Kröner | Managing Partner | https://shizune.co/investors/profile/martin-kr%C3%B6ner |
| Böhm Beatrice | Business Analyst | https://shizune.co/investors/profile/b%C3%B6hm-beatrice |
| Julian Klaiber | Business Analyst | https://shizune.co/investors/profile/julian-klaiber |
| Michael Sailer | CFO/Prokurist/Partner | https://shizune.co/investors/profile/michael-sailer |
| Rolf Nagel | Partner | https://shizune.co/investors/profile/rolf-nagel |

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## Featured in investor lists
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## FAQ

### What does Josef Brunner invest in?

Josef Brunner invests primarily in Software, Internet of Things and Industrial Manufacturing startups, most often at Seed and Series A stage. Most of the 6 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Josef Brunner?

Public channels for Josef Brunner include LinkedIn and X (Twitter). 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 Josef Brunner last invest?

The most recent investment recorded for Josef Brunner closed in Oct 2021. Shizune tracks 6 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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