# Klaus Oestermann

> Klaus Oestermann is a angel investor at BedRock Systems (San Francisco) backing Software and SaaS. See 5 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [BedRock Systems](https://shizune.co/investors/profile/bedrock-systems)
- Location: San Francisco, United States
- Total investments: 5
- Last investment: Aug 2018
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/klausoestermann/
- X (Twitter): https://twitter.com/KlausOestermann

Klaus Oestermann is a angel investor at BedRock Systems in San Francisco focused on Software and SaaS. Klaus Oestermann is the CEO of BedRock Systems, an angel investor & Advisor and a former SVP & GM Delivery Networks Division at Citrix Systems.

## Round sizes

| Stage | Round size |
| --- | --- |
| Angel | $200k–$2.3M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 2 | 40% |
| SaaS | 1 | 20% |
| Computer | 1 | 20% |
| Hardware | 1 | 20% |
| Security | 1 | 20% |

11 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Angel | 2 | 40% |
| Seed | 1 | 20% |
| Funding Round | 1 | 20% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Denmark | 1 | 20% |
| United States | 1 | 20% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Zigna | Zigna provides access to a global network of content creators and delivers visual consent solutions. To produce tailored content, Zigna works with clients all over the world to link them with highly qualified, vetted, local content creators including photographers, videographers, influencers, talent, and enthusiastic individuals. Zigna intends toassist local content producers on their path to independence. | $1M |  | Aug 03, 2018 |  |
| Zigna | Zigna provides access to a global network of content creators and delivers visual consent solutions. To produce tailored content, Zigna works with clients all over the world to link them with highly qualified, vetted, local content creators including photographers, videographers, influencers, talent, and enthusiastic individuals. Zigna intends toassist local content producers on their path to independence. | $200K | Angel | Sep 26, 2017 |  |
| Nordsense | Nordsense is a SaaS-based smart waste management platform that helps with the waste collection processes.It offers a sensor that can be installed in any type of container to monitor waste level even when the bins use a plastic bag to hold the waste and its user-friendly platform monitors in real-time which waste bins need servicing, enablingcities, waste operators, and waste haulers to perform waste operations much more efficiently. The solution provides a positive environmental impact by reducing both the number of vehicles on the road and fuel consumption, as well as preventing unattractive and unsanitary overflowing bins. | $2.1M | Seed | May 15, 2017 |  |
| CloudVolumes | Formerly known as SnapVolumes, CloudVolumes was founded in early 2011 by virtualization, security and datacenter luminaries from VMware, Citrix, Microsoft, Symantec, RSA, Sun (Oracle) and Virident to provide IT with new enterprise class solutions for instant-workload management that takes full advantage of virtualization, supports legacyapplications, eliminates the need for re-architecting or rewriting existing software, and works with existing policies and management solutions in datacenter and clouds by virtualizing everything above the OS. The company is headquartered in Santa Clara, California. | $2.3M | Angel | Nov 07, 2012 |  |
| CloudVolumes | Formerly known as SnapVolumes, CloudVolumes was founded in early 2011 by virtualization, security and datacenter luminaries from VMware, Citrix, Microsoft, Symantec, RSA, Sun (Oracle) and Virident to provide IT with new enterprise class solutions for instant-workload management that takes full advantage of virtualization, supports legacyapplications, eliminates the need for re-architecting or rewriting existing software, and works with existing policies and management solutions in datacenter and clouds by virtualizing everything above the OS. The company is headquartered in Santa Clara, California. |  | Angel | Aug 01, 2011 |  |

5 of 5 investments shown.

## Co-investors
- [Rincon Venture Partners](https://shizune.co/investors/profile/rincon-venture-partners) — VC Fund, 1 deal together
- [Root Ventures](https://shizune.co/investors/profile/rootvc) — VC Fund, 1 deal together
- [TiE Angels](https://shizune.co/investors/profile/tie-angels) — VC Fund, 1 deal together

## About BedRock Systems

VC Fund · San Francisco, United States

Our Mission is to BedRock the world’s critical systems from Edge to Server and Cloud implementing the most trusted Provably Unbreakable™ and Programmable Hypervisor platform with Active Security™

5 contacts available at BedRock Systems.

| Name | Title | Profile |
| --- | --- | --- |
| Alexander Damisch | Co-Founder and VP Products | https://shizune.co/investors/profile/alexander-damisch |
| Klaus Oestermann | President & CEO | https://shizune.co/investors/profile/klaus-oestermann |
| Osman Ismael | Co-Founder & CTO | https://shizune.co/investors/profile/osman-ismael |
| Udo Steinberg | Co-Founder and Head of Kernel Architecture and Development | https://shizune.co/investors/profile/udo-steinberg |
| Yoichi Hirai | Senior Software Engineer | https://shizune.co/investors/profile/yoichi-hirai |

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## FAQ

### What does Klaus Oestermann invest in?

Klaus Oestermann invests primarily in Software, SaaS and Computer startups, most often at Angel and Seed stage. Most of the 5 investments tracked by Shizune back companies in Denmark. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Klaus Oestermann's check size?

Klaus Oestermann typically joins rounds of $200k–$2.3M at Angel. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Klaus Oestermann participates in.

### When did Klaus Oestermann last invest?

The most recent investment recorded for Klaus Oestermann closed in Aug 2018. Shizune tracks 5 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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