Katja Ruhnke
Founder & CEO @ CK Venture Capital
Munich, Germany
Katja Ruhnke is a seed investor at CK Venture Capital in Munich focused on Baby and Software. Katja Ruhnke is the CEO & Founder of CK Venture Capital. Katja Ruhnke attended KMM Institute for Culture and Media Management.
- Total investments:
- 4
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Katja Ruhnke invests in
Stages Katja Ruhnke invests in
Countries Katja Ruhnke invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Baby 1 (25%)
- Software 1 (25%)
- Recycling 1 (25%)
- Waste Management 1 (25%)
- Housekeeping Service 1 (25%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
traplinked
|
traplinked is a pest control company from Nordkirchen focused particularly on the simplicity of operation. | $2.1M / Seed / Jun 25, 2025 | |
hey circle
|
Hey Circle is a manufacturer of reusable shipping packaging. Hey Circle products include foldable, weather and dirt-resistant shipping bags and reused shipping boxes with theft protection and branding possibilities for brands, offering customers with a sustainable solution that is simple to use for packers and customers. | $1.6M / Seed / Jan 15, 2024 | |
heycare (former heynanny)
|
Heynannyly enables working professionals to book a babysitter. | $1.8M / Seed / Jun 22, 2023 | |
SKYSEED
|
Regrowing forests as a service with drones | $2.1M / Seed / May 04, 2022 |
Co-Investors
About CK Venture Capital
CK Venture Capital is a venture Capital firm invest in start-up companies.
CK Venture Capital Contacts
| Name | Phone | Socials | |
|---|---|---|---|
|
Katja Ruhnke
Founder & CEO
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FAQ
What does Katja Ruhnke invest in?
Katja Ruhnke invests primarily in Baby, Software and Recycling startups, most often at Seed stage. Most of the 4 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Katja Ruhnke?
Public channels for Katja Ruhnke include LinkedIn and the website linked on this profile. 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 Katja Ruhnke last invest?
The most recent investment recorded for Katja Ruhnke closed in Jun 2025. Shizune tracks 4 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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