# Kai Stubbe

> Kai Stubbe is a seed investor in Bad Honnef Am Rhein backing Marketing and Health Care. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Location: Bad Honnef Am Rhein, Germany
- Total investments: 2
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/pub/kai-stubbe/9/b5b/301
- Website: https://x.com/kstubbe1

Kai Stubbe is a seed investor in Bad Honnef Am Rhein focused on Marketing and Health Care. Kai was born in Germany in 1985. He did his Bachelor degree in Germany, Chile and Australia and is pursuing a part-time MBA at Loyola Marymount University. Kai worked for KPMG Advisory in Germany and Mercedes Benz Auto Finance in Beijing, China. Kai is Co-Founder of Trolion Inc., an AI location based service provider developing an innovative andcomprehensive marketing and business intelligence platform for the consumer and retail market. Kai is also Founder of the non profit organization Alpha Kai that is changing the interaction between students on campuses and groups of common interest.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Marketing | 1 | 50% |
| Health Care | 1 | 50% |
| Marketing Automation | 1 | 50% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 1 | 50% |
| Pre-Seed | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Caidera | Caidera automates marketing and communication processes in pharma, medtech, and healthcare. | $300K | Pre-Seed | Nov 07, 2025 |  |
| CRYO Holdings | CRYO focuses on delivering non-invasive wellness and recovery treatments using extremely low temperatures to stimulate physical recovery, circulation, metabolism, pain relief, beauty enhancement, and overall wellbeing. The company combines cryotherapy with complementary wellness treatments to create a complete recovery and performance ecosystem. |  | Seed |  |  |

2 of 2 investments shown.

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## FAQ

### What does Kai Stubbe invest in?

Kai Stubbe invests primarily in Marketing, Health Care and Marketing Automation startups, most often at Seed and Pre-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.

### 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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