# Michael Mayer

> Michael Mayer is a Series B investor at eCAPITAL ENTREPRENEURIAL PARTNERS backing CleanTech. See 3 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [eCAPITAL ENTREPRENEURIAL PARTNERS](https://shizune.co/investors/profile/ecapital-entrepreneurial-partners-ag)
- Location: Münster, Germany
- Total investments: 3
- Last investment: Jun 2018
- Lead investor: 100%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/michael-mayer-380734123/

Michael Mayer is a Series B investor at eCAPITAL ENTREPRENEURIAL PARTNERS in Münster focused on CleanTech and Power Grid. Michael holds a Diploma in Economics from the University of Konstanz. Before joining eCAPITAL, he founded TechnoStart, a venture capital firm focused on seed & early-stage technology companies. Throughout his career, he has accumulated more than 25 years of experience in venture capital and has successfully developed, built and sold numeroustechnology companies. Before founding TechnoStart, he has been head of the working group “Technology Transfer” at the Fraunhofer Institute for Systems and Innovation and worked as Editor for monthly magazines at Transmedia Verlag.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| CleanTech | 1 | 33% |
| Power Grid | 1 | 33% |
| Electronics | 1 | 33% |
| Clean Energy | 1 | 33% |
| Advanced Materials | 1 | 33% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 1 | 33% |
| Series C | 1 | 33% |
| Series D | 1 | 33% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Theva | Theva is the market leader in HTS coatings and has been developing flexible coated conductors for electrical power engineering for more than a decade. Thanks to a proprietary, independent technology access and a broad patent portfolio Theva is taking a leading role in coated conductor technology. Theva also develops processes and coatings in thephysical coating technology, e.g. for fuel cells, photovoltaic, and sensors.The equipment manufacturing unit is based on a team of highly experienced professionals. Theva is designing specialized equipment and components for physical coating and is leading in the quality control of superconductor coatings. Theva‘s instruments are setting standards in HTS quality assurance worldwide. |  | Series D | Jun 12, 2018 |  |
| Theva | Theva is the market leader in HTS coatings and has been developing flexible coated conductors for electrical power engineering for more than a decade. Thanks to a proprietary, independent technology access and a broad patent portfolio Theva is taking a leading role in coated conductor technology. Theva also develops processes and coatings in thephysical coating technology, e.g. for fuel cells, photovoltaic, and sensors.The equipment manufacturing unit is based on a team of highly experienced professionals. Theva is designing specialized equipment and components for physical coating and is leading in the quality control of superconductor coatings. Theva‘s instruments are setting standards in HTS quality assurance worldwide. |  | Series C | Jun 22, 2017 |  |
| Theva | Theva is the market leader in HTS coatings and has been developing flexible coated conductors for electrical power engineering for more than a decade. Thanks to a proprietary, independent technology access and a broad patent portfolio Theva is taking a leading role in coated conductor technology. Theva also develops processes and coatings in thephysical coating technology, e.g. for fuel cells, photovoltaic, and sensors.The equipment manufacturing unit is based on a team of highly experienced professionals. Theva is designing specialized equipment and components for physical coating and is leading in the quality control of superconductor coatings. Theva‘s instruments are setting standards in HTS quality assurance worldwide. |  | Series B | Jun 03, 2016 |  |

3 of 3 investments shown.

## Co-investors
- [Target Partners](https://shizune.co/investors/profile/target-partners) — VC Fund, 3 deals together
- [BayBG Venture Capital](https://shizune.co/investors/profile/baybg) — VC Fund, 2 deals together
- [Bayern Kapital](https://shizune.co/investors/profile/bayern-kapital) — VC Fund, 2 deals together
- [EnBW New Ventures](https://shizune.co/investors/profile/enbw-new-ventures) — VC Fund, 1 deal together
- [Wachstumsfonds Bayern](https://shizune.co/investors/profile/wachstumsfonds-bayern) — VC Fund, 1 deal together

## About eCAPITAL ENTREPRENEURIAL PARTNERS

VC Fund · Münster, Germany

Founded in 1999, eCAPITAL is an entrepreneur-led venture capital investor focusing on early- and growth-stage deep-tech companies with a positive impact on society. eCAPITAL is based in Germany and invests with its own funds with a total volume of over € 340 million in the areas of Sustainability, Enterprise Software, Cybersecurity, IoT and NewMaterials. In addition to financial resources, eCAPITAL offers its portfolio companies strategic support and access to an international network of entrepreneurs, scientists, investors and founders and was lead investor in various deep-tech companies such as sonnen, Novaled or Jedox, which were sold very successfully to international corporates or investors.

5 contacts available at eCAPITAL ENTREPRENEURIAL PARTNERS.

| Name | Title | Profile |
| --- | --- | --- |
| Bernd Arkenau | Managing Partner | https://shizune.co/investors/profile/bernd-arkenau |
| Dirk Seewald | Partner | https://shizune.co/investors/profile/dirk-seewald |
| Katharina Frie | Investment Manager | https://shizune.co/investors/profile/katharina-frie |
| Lucas Merle | Principal | https://shizune.co/investors/profile/lucas-merle |
| Michael Mayer | Partner | https://shizune.co/investors/profile/michael-mayer |

## Similar investors

### Similar stage
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund
- [FJ Labs](https://shizune.co/investors/profile/fj-labs) — VC Fund

## FAQ

### What does Michael Mayer invest in?

Michael Mayer invests primarily in CleanTech, Power Grid and Electronics startups, most often at Series B and Series C stage. Most of the 3 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Michael Mayer last invest?

The most recent investment recorded for Michael Mayer closed in Jun 2018. Shizune tracks 3 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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