Valentin Stalf
Angel Investor
Berlin, Germany
Valentin Stalf is a seed investor in Berlin focused on Retail and Grocery. Valentin Stalf is based out of Berlin, Berlin, and is the Founder & Chief Executive Officer of N26. Valentin previously worked at WU Vienna as Member of the University Board. Valentin Stalf attended the University of St.Gallen.
- Total investments:
- 3
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Valentin Stalf invests in
Stages Valentin Stalf invests in
Countries Valentin Stalf invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $1.9M–$7.1M
Investment Focus
Industry
- Retail 1 (33%)
- Grocery 1 (33%)
- Delivery 1 (33%)
- Infrastructure 1 (33%)
- Fraud Detection 1 (33%)
Stage
- Seed 2 (67%)
- Series A 1 (33%)
Country
- Germany 1 (33%)
- Hungary 1 (33%)
- Switzerland 1 (33%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Kitchenful is an app for personalized recommendations of recipes, which gets users the ingredients delivered from their local supermarket. Kitchenful's algorithm always suggests the most popular recipes that are 40% cheaper than meal kits. | $1.9M / Seed / Oct 21, 2021 | ||
| - What is kooky? kooky is a digital cup smart system and offers you the possibility to dispose your reusable cup on your way in an easy and sustainable way through kooky boxes.- How does kooky work? You order your drink as usual and get it in a kooky cup. You simply pay for the drink plus 1 CHF deposit. When you return the cup in a kooky drop offbox, you will immediately get your 1 CHF deposit credited in the wallet of your app.- What do I have to do when I got the cup with the drink? Simply scan the QR code of the cup with the kooky app (registration required), and the cup will be paired to your app account.- Where can I return the cup? In all the kooky boxes around town and in all the venues of the kooky network. You can find both in the app.- How do I get my credit? In order to withdraw the credit in your app wallet, you need to enter your bank details in the app. Then you submit a payout request of the desired amount. Kooky only takes a 10% fee as cost of service, you will receive a receipt for each withdrawal.- What does kooky do with the cups? Our employees empty the kooky boxes and bring the cups to our rinsing logistics. There, they are cleaned according to hygiene regulations and standards, picked, packed and distributed to our partners again.- Are e-vehicles used for logistics? Yes, the logistics for collecting and distributing the cups takes place exclusively with electric vehicles. | $7.1M / Seed / Apr 06, 2021 | ||
| SEON is the AI command center for fraud prevention and AML compliance. Thousands of companies worldwide trust us to stop fraud without slowing growth.Our platform powers smarter risk decisions by enriching customer profiles, flagging suspicious behavior and managing compliance workflows all in one place. Unlike competitors relying on stale,third-party data, SEON runs on 900+ proprietary, real-time data signals for broader coverage and higher precision.SEON's AI detects hidden fraud networks, builds rules and drafts suspicious activity reports. Teams can also connect their own AI tools, from ChatGPT to Claude to custom agents, directly to SEON's risk data to build their own agentic investigation workflows.We’re trusted by innovators like Revolut, Wise and thousands of others scaling securely into new products and markets. | $12M / Series A / Mar 17, 2021 |
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FAQ
What does Valentin Stalf invest in?
Valentin Stalf invests primarily in Retail, Grocery and Delivery startups, most often at Seed and Series A 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.
What is Valentin Stalf's check size?
Valentin Stalf typically joins rounds of $1.9M–$7.1M 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 Valentin Stalf participates in.
How do I contact Valentin Stalf?
Public channels for Valentin Stalf include LinkedIn and X (Twitter). 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 Valentin Stalf last invest?
The most recent investment recorded for Valentin Stalf closed in Oct 2021. 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 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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