# Stefan Haubner

> Stefan Haubner is a seed investor at APEX Ventures backing Software and Information Services. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [APEX Ventures](https://shizune.co/investors/profile/apex-ventures-2)
- Location: Vienna, Austria
- Total investments: 1
- Last investment: Sep 2017
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/stefanhaubner/
- X (Twitter): https://twitter.com/stefanhaubner
- Website: https://www.apex.ventures

Stefan Haubner is a seed investor at APEX Ventures in Vienna focused on Software and Information Services. Stefan Haubner is the Co-Founder of Othis. He previously worked at Dr. Christian Konrad - Coordinator for Refugee Affairs of the Austrian Government as a Public Authorities Coordinator. Stefan Haubner attended Theresian Academy.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 1 | 100% |
| Information Services | 1 | 100% |
| Information Technology | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Kivu Technologies | Established in Austria in 2016, Kivu is a talented multidisciplinary team of engineers, developers, data scientists, analysts and security professionals. Founded by a passion to drive change through innovation, we believe we can make the world a better, safer place. We believe our world is increasingly connected, an exponentially expanding network.Existing technologies are inadequate to handle massive networks. Understanding networks and the connected relationships within these networks is vital to tackle the most challenging problems of our time. At Kivu, we design and build technology to help save lives and enhance human security. | $2M | Seed | Sep 11, 2017 |  |

1 of 1 investments shown.

## Co-investors
- [APEX Ventures](https://shizune.co/investors/profile/apex-ventures-12df) — VC Fund, 1 deal together
- [aws Gründungsfonds](https://shizune.co/investors/profile/aws-grnderfonds) — VC Fund, 1 deal together
- [b2venture](https://shizune.co/investors/profile/btovpartners) — VC Fund, 1 deal together
- [Enabling Future](https://shizune.co/investors/profile/enabling-future) — VC Fund, 1 deal together

## About APEX Ventures

VC Fund · Vienna, Austria

APEX Ventures is an early-stage venture capital fund that invests in start-ups grounded in unique and protectable technology. They provide support and resources and aims to develop their start-ups in their respective field. Their initial focus areas include digital media, business intelligence, cybersecurity, fintech, and the future of work.

5 contacts available at APEX Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Andreas Riegler | General Partner | https://shizune.co/investors/profile/andreas-riegler |
| Christoph Kanneberger | Founder & Managing Partner | https://shizune.co/investors/profile/christoph-kanneberger |
| Stefan Haubner | Founding Partner & General Partner | https://shizune.co/investors/profile/stefan-haubner |
| Diana Röttger | Principal | https://shizune.co/investors/profile/diana-r%C3%B6ttger |
| Jon M. Van Winkle | Principal | https://shizune.co/investors/profile/jon-m-van-winkle |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Stefan Haubner invest in?

Stefan Haubner invests primarily in Software, Information Services and Information Technology startups, most often at Seed stage. Most of the 1 investments tracked by Shizune back companies in Austria. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Stefan Haubner last invest?

The most recent investment recorded for Stefan Haubner closed in Sep 2017. Shizune tracks 1 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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