# Alexander Tschirnhaus

> Alexander Tschirnhaus is a seed investor backing Medical and Internet. See 2 investments, check sizes, portfolio and contact details. Updated Sep 2026.

- Type: Angel Investor
- Total investments: 2
- Last investment: Jun 2023
- Lead investor: 0%
- Last updated: Sep 2026

Alexander Tschirnhaus is a seed investor focused on Medical and Internet. Alexander Tschirnhaus

## Contacts

5 contacts available for Alexander Tschirnhaus: 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/alexander-tschirnhaus?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $2.1M–$2.2M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Medical | 1 | 50% |
| Internet | 1 | 50% |
| Education | 1 | 50% |
| Data Mining | 1 | 50% |
| Health Care | 1 | 50% |

8 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Doctorflix | Doctorflix is a medical education platform that allows doctors around the globe to learn about methods of treatment while accelerating their system-required professional development. We are on a mission to build an engine that simplifies and democratizes the consumption and exchange of medical knowledge by interlinking doctors, hospitals, andpharmaceutical companies. | $2.2M | Seed | Jun 27, 2023 |  |
| GlassDollar | GlassDollar is a technology company that makes the corporate-startup sourcing process digital and scalable. The company also assists corporations in identifying, implementing, and scaling startup solutions that produce tangible results and have a real impact across the organization. Its startup solution marketplace and innovation project managementsoftware assists innovation teams in sourcing, managing, and successfully scaling impactful startup collaborations within their organizations.GlassDollar enables and streamlines corporate activities throughout the entire innovation journey by leveraging data and automation. Their software enables innovation units to run higher quality PoCs and create real, measurable business impact by identifying new innovation opportunities within the organization, sourcing the best solution providers, and managing all stakeholders within the projects. | $2.1M | Seed | May 31, 2023 |  |

2 of 2 investments shown.

## Co-investors
- [HTGF (High-Tech Gruenderfonds)](https://shizune.co/investors/profile/high-tech-gr%C3%BCnderfonds) — VC Fund, 2 deals together
- [22 Capital](https://shizune.co/investors/profile/22-capital) — VC Fund, 1 deal together
- [APX](https://shizune.co/investors/profile/apxberlin) — VC Fund, 1 deal together
- [Brandenburg Kapital](https://shizune.co/investors/profile/bfb-brandenburg-kapital-gmbh) — VC Fund, 1 deal together
- [blueworld.group](https://shizune.co/investors/profile/blueworld-group) — VC Fund, 1 deal together

## Similar investors

### Similar industry
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### Similar stage
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### Similar country
- [HTGF (High-Tech Gruenderfonds)](https://shizune.co/investors/profile/high-tech-gr%C3%BCnderfonds) — VC Fund
- [HV Capital](https://shizune.co/investors/profile/holtzbrinck-ventures) — VC Fund
- [IBB Ventures](https://shizune.co/investors/profile/ibb) — VC Fund

## Featured in investor lists
- [Medical Angel Investors in Germany](https://shizune.co/investors/medical-angel-investors-germany)
- [EdTech Angel Investors in Germany](https://shizune.co/investors/edtech-angel-investors-germany)

## FAQ

### What does Alexander Tschirnhaus invest in?

Alexander Tschirnhaus invests primarily in Medical, Internet and Education startups, most often at Seed stage. Most of the 2 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Alexander Tschirnhaus's check size?

Alexander Tschirnhaus typically joins rounds of $2.1M–$2.2M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Alexander Tschirnhaus participates in.

### How do I contact Alexander Tschirnhaus?

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 Alexander Tschirnhaus last invest?

The most recent investment recorded for Alexander Tschirnhaus closed in Jun 2023. Shizune tracks 2 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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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