# Harold E. Kruth

> Harold E. Kruth is a Series A investor at Sierra Angels backing Cloud Computing. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Sierra Angels](https://shizune.co/investors/profile/sierra-angels)
- Total investments: 1
- Last investment: Mar 2011
- Lead investor: 0%
- Last updated: Aug 2026

Harold E. Kruth is a Series A investor at Sierra Angels focused on Cloud Computing and Service Industry. Mr. Kruth is an entrepreneurial executive with 20 years of experience in venture investment, general management, marketing, sales, licensing, intellectual property management, new business creation and financing for international technology-based businesses. He was one of the top four executives responsible for transforming the business andexecuting a highly-successful $2+ Billion IPO of QinetiQ Group plc (United Kingdom), returning more than $700 million to outside investors. Mr. Kruth is an active founder, promoter, mentor, early-stage investor, and/or active board member of forty-four spin-outs and other early-stage businesses. He is a member of Sierra Angels.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Cloud Computing | 1 | 100% |
| Service Industry | 1 | 100% |
| Enterprise Software | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Glue Networks | Glue Networks specializes in providing an enterprise-grade cloud networking service. Glue Virtual Office is available to enterprise customers through partnerships between Glue Networks and top service providers and value-added resellers. It was founded in 2007 and headquartered in Sacramento, California. | $4.5M | Series A | Mar 03, 2011 |  |

1 of 1 investments shown.

## Co-investors
- [Sacramento Angels](https://shizune.co/investors/profile/sacramento-angels) — VC Fund, 1 deal together

## About Sierra Angels

VC Fund · Incline Village, United States

Founded in 1997, Sierra Angels is a premier angel investment group in Northern Nevada. Headquartered at Lake Tahoe, Nevada, they are located in one of the most business-friendly states in the country.Sierra Angels is the premier angel investment group in the Northern Sierra region. They provide early stage investments in promising technologyventures and support the entrepreneurs they fund with mentoring and connections.Sierra Angels' fifty members are former startup founders and senior operating executives experienced in financing and developing emerging enterprises. They are active investors who have assisted greater than sixty companies to date in a variety of industries with a preference for capital efficient technology companies.Sierra Angels takes a leading role in collaboratively investing with other angel groups in the region and with earlier stage VCs. They also participate actively in the community to facilitate technology-based and entrepreneurial-driven economic expansion in Nevada.

5 contacts available at Sierra Angels.

| Name | Title | Profile |
| --- | --- | --- |
| Donna Jang | Member | https://shizune.co/investors/profile/donna-jang |
| Harold E. Kruth | Member | https://shizune.co/investors/profile/harold-e-kruth |
| Li Han Chan | Investor | https://shizune.co/investors/profile/li-han-chan |
| Maggie Tsai | Angel Investor | https://shizune.co/investors/profile/maggie-tsai |
| Roland Schumann | Chairman | https://shizune.co/investors/profile/roland-schumann |

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## FAQ

### What does Harold E. Kruth invest in?

Harold E. Kruth invests primarily in Cloud Computing, Service Industry and Enterprise Software startups, most often at Series A stage. Most of the 1 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Harold E. Kruth last invest?

The most recent investment recorded for Harold E. Kruth closed in Mar 2011. 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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