# Sebastian Haas

> Sebastian Haas is a pre-seed investor in Berlin backing B2B and Software. See 1 investment, round sizes, portfolio and contact details. Updated Oct 2026.

- Type: Angel Investor
- Location: Berlin, Germany
- Total investments: 1
- Last investment: Jun 2023
- Lead investor: 0%
- Last updated: Oct 2026
- LinkedIn: https://www.linkedin.com/in/haas-sebastian
- X (Twitter): http://twitter.com/sebastian_haas
- Website: http://talon.one

Sebastian Haas is a pre-seed investor in Berlin focused on B2B and Software. Sebastian Haas is based out of Berlin, Berlin, and is the Co-founder and COO of Talon.One. Sebastian previously worked at RapidApe as a Founder & CEO.

## Contacts

5 contacts available for Sebastian Haas: 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/sebastian-haas?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| B2B | 1 | 100% |
| Software | 1 | 100% |
| Consumer Software | 1 | 100% |
| Information Technology | 1 | 100% |

## Investments

| Company | Description | Round size | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Notch | Notch makes the b2b buyer purchasing process simple and collaborative with a customer-facing sales room designed for speedy deal completion. | $1.2M | Pre-Seed | Jun 26, 2023 | https://www.notch.so |

1 of 1 investments shown.

## Co-investors
- [APX](https://shizune.co/investors/profile/apxberlin) — VC Fund, 1 deal together
- [HEARTFELT](https://shizune.co/investors/profile/heartfelt) — VC Fund, 1 deal together
- [Heartfelt Capital](https://shizune.co/investors/profile/heartfelt-capital) — VC Fund, 1 deal together
- [HTGF (High-Tech Gruenderfonds)](https://shizune.co/investors/profile/high-tech-gr%C3%BCnderfonds) — VC Fund, 1 deal together
- [WestTech Ventures](https://shizune.co/investors/profile/west-techventures) — VC Fund, 1 deal together

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### 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
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- [IBB Ventures](https://shizune.co/investors/profile/ibb) — VC Fund

## Featured in investor lists
- [B2B Angel Investors in Germany](https://shizune.co/investors/b2b-angel-investors-germany)

## FAQ

### What does Sebastian Haas invest in?

Sebastian Haas invests primarily in B2B, Software and Consumer Software startups, most often at Pre-Seed stage. Most of the 1 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 Sebastian Haas?

Public channels for Sebastian Haas include LinkedIn, X (Twitter) 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 Sebastian Haas last invest?

The most recent investment recorded for Sebastian Haas closed in Jun 2023. Shizune tracks 1 investment 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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