Kai Hansen
Founder and Partner @ Rheingau Founders
Berlin, Germany
Kai Hansen is a seed investor at Rheingau Founders in Berlin focused on Software and E-Commerce. business angel // entrepreneur // founder lieferando.de // boardmember booksy.com
- Total investments:
- 40
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Kai Hansen invests in
Stages Kai Hansen invests in
Countries Kai Hansen invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $138k–$4.9M
- Pre-Seed
- $841k–$37M
- Series A
- $3M–$60M
Investment Focus
Industry
- Software 9 (23%)
- E-Commerce 6 (15%)
- FinTech 5 (13%)
- Financial Services 5 (13%)
- Marketplace 4 (10%)
Stage
- Seed 13 (33%)
- Series A 11 (28%)
- Pre-Seed 6 (15%)
- Series B 2 (5%)
- Angel 1 (3%)
Country
- Germany 17 (43%)
- United Kingdom 3 (8%)
- Italy 1 (3%)
- France 1 (3%)
- Poland 1 (3%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Karri is a modern, data-enabled walkie-talkie for kids aged 4-10, which offers a screen-free device for children and easy to use smartphone apps for parents. Children can send a message by simply pushing the button on their Karri. Parents can receive and send messages back via your app and see where they are via GPS tracking. | $3.2M / Pre-Seed / May 22, 2024 | ||
| Cylib provides technology for recycling lithium-ion batteries into usable raw materials, turning battery waste and production scrap into materials like lithium, graphite, nickel, cobalt, and manganese for reuse in battery and industrial supply chains. Their proprietary process focuses on the holistic recovery of all battery components, utilizingwater-based methods to minimize chemical use and reduce environmental impact. Cylib operates an integrated end-to-end recycling workflow that includes discharge, material separation, and refinement for reintegration into manufacturing processes. The company’s approach supports circular material flows and aims to strengthen supply chains for battery producers and related industrial partners. | $59.9M / Series A / May 15, 2024 | ||
| Nesnezeno is a platform that helps restaurants, shops, and hotels eliminate the waste of quality food. Through their mobile platform, they sell day-of treats that are nearing their expiration date. | Series A / Jan 10, 2024 | ||
| We supercharge installers with our OS to become heat pump champions | Pre-Seed / Dec 11, 2023 | ||
| Qomodo is an "all-in-one" payment methods aggregator, allowing physical commercial operators to safeguard and expand their cash flow and offer Buy Now Pay Later payments to customers, in addition to one-time payments. Qomodo focuses on merchants providing services for essential yet often unforeseen expenses, which typically involve ahigher transaction value. | $36.9M / Pre-Seed / Nov 07, 2023 | ||
| Munch operates a marketplace for restaurants, supermarkets, bakeries and cafes to sell their surplus food to consumers at a discounted price. | Series A / Nov 07, 2023 | ||
| Cylib provides technology for recycling lithium-ion batteries into usable raw materials, turning battery waste and production scrap into materials like lithium, graphite, nickel, cobalt, and manganese for reuse in battery and industrial supply chains. Their proprietary process focuses on the holistic recovery of all battery components, utilizingwater-based methods to minimize chemical use and reduce environmental impact. Cylib operates an integrated end-to-end recycling workflow that includes discharge, material separation, and refinement for reintegration into manufacturing processes. The company’s approach supports circular material flows and aims to strengthen supply chains for battery producers and related industrial partners. | $8.6M / Seed / Feb 15, 2023 | ||
| Surfboard provides scheduling and building workforce management through customer service software. | $4.9M / Seed / Nov 21, 2022 | ||
| Cylib provides technology for recycling lithium-ion batteries into usable raw materials, turning battery waste and production scrap into materials like lithium, graphite, nickel, cobalt, and manganese for reuse in battery and industrial supply chains. Their proprietary process focuses on the holistic recovery of all battery components, utilizingwater-based methods to minimize chemical use and reduce environmental impact. Cylib operates an integrated end-to-end recycling workflow that includes discharge, material separation, and refinement for reintegration into manufacturing processes. The company’s approach supports circular material flows and aims to strengthen supply chains for battery producers and related industrial partners. | $3.5M / Seed / Oct 14, 2022 | ||
| Lumiform is a specialized software for frontline teams to run inspections, audits and checklists at scale across distributed operations. Customers are mid-size and large companies such as multi-site retailers, restaurant chains, logistics fleets, warehouse operators, construction businesses and manufacturers with several plants. They all face thesame challenge: keeping standards consistently high across teams no manager can oversee in person. Lumiform lets teams build digital forms around their standards, capture data on mobile even offline, and resolve identified issues fast. Data turns into instant audit-proof reports and in-depth analytics. It's powerful enough to map the most complex requirements, yet simple to adopt in days. With Lumiform, organizations achieve measurable. improvements in quality, safety and efficiency. Companies like EDEKA, AmRest, Virgin Media and even testing, inspection and certification bodies rely on Lumiform. Rated 4.6 on G2, Lumiform is built in Europe, offering full data sovereignty and GDPR compliance. | $6.8M / Series A / Jun 01, 2022 | ||
| See all 40 investments → | |||
Co-Investors
About Rheingau Founders
Rheingau Founders is a Berlin&Munich based Venture Capital firm active since 2011. Focusing on pre-seed to Series A investments in Europe, predominantly B2B in the fields of Marketplaces, Software as a Service, InsurTech, and eHealth. Rheingau targets start-ups that have the potential to sustainably disrupt existing processes and value chains. Besides the financial investment, we offer strategic support through the mentorship of our partners.
Rheingau Founders Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Johann Reich
General Partner
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Tobias Johann
Founder and Managing Partner
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Marius Weber
Partner
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Philipp Hartmann
Founder and Managing Partner
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FAQ
What does Kai Hansen invest in?
Kai Hansen invests primarily in Software, E-Commerce and FinTech startups, most often at Seed and Series A stage. Most of the 40 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Kai Hansen invest in?
Kai Hansen typically joins rounds of $138k–$4.9M at Seed, $841k–$37M at Pre-Seed and $3M–$60M at Series A. These are whole funding-round sizes, not Kai Hansen's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Kai Hansen took part in.
How do I contact Kai Hansen?
Public channels for Kai Hansen include LinkedIn and Facebook. 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 Kai Hansen last invest?
The most recent investment recorded for Kai Hansen closed in May 2024. Shizune tracks 40 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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