# Johannes Schaback

> Johannes Schaback is a seed investor backing Software. See 10 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Location: Berlin, Germany
- Total investments: 10
- Last investment: Sep 2025
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/johannes-schaback-4940a526/
- X (Twitter): https://twitter.com/jSchaback
- Website: https://x.com/jSchaback
- Facebook: https://www.facebook.com/schaback

Johannes Schaback is a seed investor in Berlin focused on Software and Artificial Intelligence. Johannes Schaback is based out of Berlin, Berlin and is the Co-Founder of STARK. Johannes previously worked at SumUp as a CTO. Johannes Schaback attended the Shanghai Jiao Tong University.

## Contacts

5 contacts available for Johannes Schaback: 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/johannes-schaback?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.6M–$6.6M |
| Pre-Seed | $1M–$2.6M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 4 | 40% |
| Artificial Intelligence | 2 | 20% |
| SaaS | 1 | 10% |
| Chatbot | 1 | 10% |
| FinTech | 1 | 10% |

30 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 5 | 50% |
| Pre-Seed | 3 | 30% |
| Angel | 1 | 10% |
| Series A | 1 | 10% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Fliz | FLIZpay is a payment platform that provides fee-free payment services to firms and individuals. | $1M | Pre-Seed | Sep 30, 2025 | https://www.flizpay.de |
| Packmatic | Packmatic connects brands with packaging suppliers. Their services include packaging requests, onboarding, kick off calls with packaging engineers, sign off on the final product, and supplier matching. Contact Packmatic at info@packmatic.io. | $16.3M | Series A | Jan 24, 2024 | https://www.packmatic.io/ |
| Blockbrain | Blockbrain is a technology company that provides a generative AI platform and tools designed to help developers and enterprises build, deploy, and manage AI-powered applications and workflows. The company’s platform includes modular components for natural language processing, vector search, prompt management, and customizable AI model orchestrationthat support integration into software products and internal systems. Its offerings enable technical teams to create contextual knowledge layers, automated reasoning chains, and AI-assisted interfaces that leverage both proprietary and third-party models.Blockbrain also supplies SDKs, APIs, and development frameworks that help streamline application development, model tuning, and content generation across use cases such as intelligent search, summarization, and automated responses. The company works with partners and customers to tailor solutions that align with existing tech stacks and operational goals, supporting collaboration across engineering and product teams. Its platform emphasizes flexibility in model choice, data connectivity, and deployment options to accommodate diverse AI application requirements. | $2.6M | Pre-Seed | Dec 16, 2022 | https://www.theblockbrain.io/ |
| SECJUR | SECJUR provides a platform for automated compliance. The startup's technology streamlines procedures in the Digital Compliance Office for areas including data protection, information security, anti-money laundering, and whistleblowing. | $5.8M | Seed | Dec 01, 2022 | https://www.secjur.com/ |
| marta | German Version below:marta offers a market place for families, people in need of care and European caregivers. We believe that, on the one hand everyone has the right to receive appropriate care and to age with dignity and on the other hand caregivers should be able to do their work under fair conditions.We are working on software solutions toconnect caregivers with families across Europe and we support both parties during the entire process. In our own families we have seen that the current market is characterized by non-transparent services and does not deliver adequate quality. It is out mission to change that.That is why we at marta pursue the goal of making things better by applying our software solutions to fundamentally rebuilding the "24-hour" care market.Deutsche Version:marta bietet einen Marketplatz für Familien, pflegebedürftige Menschen und europäische Pflegekräfte. Aus unserer Sicht, hat zum einen jede/r das Recht darauf, angemessene Pflege zu erhalten und in Würde zu altern und zum anderen sollten Pflegekräfte unter fairen Bedingungen ihre Arbeit machen können.Wir arbeiten an dem Bau von Softwarelösungen, um Pflegekräfte mit Familien in ganz Europa zu verbinden und während der Betreuung zu begleiten. In unseren eigenen Familien haben wir gesehen, dass der derzeitige Markt von intransparenten Dienstleistungen geprägt ist und keine angemessene Qualität liefert.Deswegen verfolgen wir bei marta das Ziel, es durch unsere Softwarelösungen besser zu machen und den Markt der "24-Stunden" Pflege grundlegend neu aufzubauen. | $6.6M | Seed | Aug 23, 2022 | https://www.marta.de/ |
| Synctive | Synctive enables equipment-as-a-service and pay-per-use business models for machine and plant manufacturers. | $1.6M | Seed | May 31, 2022 | https://synctive.de/ |
| Synctive | Synctive enables equipment-as-a-service and pay-per-use business models for machine and plant manufacturers. | $1.6M | Pre-Seed | May 31, 2022 | https://synctive.de/ |
| Meine Erde | Meine Erde is a provider of ecological burial option in Europe. |  | Seed | Sep 20, 2021 | https://www.meine-erde.de/ |
| 8returns | 8returns is a self-service returns center for eCommerce stores that want to automate returns & improve customer experience. | $947K | Angel | Aug 04, 2021 | https://www.8returns.com |
| xolo | Xolo is a 3D printing firm that offers a volumetric printing solution to various industries. |  | Seed | May 12, 2021 | https://www.xolo3d.com/index.html |

10 of 10 investments shown.

## Co-investors
- [Saarbruecker 21](https://shizune.co/investors/profile/saarbruecker-21) — VC Fund, 6 deals together
- [Capnamic](https://shizune.co/investors/profile/capnamic-ventures) — VC Fund, 4 deals together
- [Mücke Roth & Company](https://shizune.co/investors/profile/mucke-sturm) — VC Fund, 2 deals together
- [Visionaries Club](https://shizune.co/investors/profile/visionaries-club) — VC Fund, 2 deals together
- [Almaz Capital](https://shizune.co/investors/profile/almaz-capital) — VC Fund, 1 deal together
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund, 1 deal together

## Similar investors

### Similar industry
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [SOSV](https://shizune.co/investors/profile/sosv) — VC Fund
- [Bpifrance](https://shizune.co/investors/profile/bpifrance) — VC Fund

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

### Similar country
- [HTGF (High-Tech Gruenderfonds)](https://shizune.co/investors/profile/high-tech-gr%C3%BCnderfonds) — VC Fund
- [HV Capital](https://shizune.co/investors/profile/holtzbrinck-ventures) — VC Fund
- [IBB Ventures](https://shizune.co/investors/profile/ibb) — VC Fund

## Featured in investor lists
- [SaaS Angel Investors in Germany](https://shizune.co/investors/saas-angel-investors-germany)
- [Software Angel Investors in Germany](https://shizune.co/investors/software-angel-investors-germany)
- [Climate Angel Investors in Germany](https://shizune.co/investors/climate-angel-investors-germany)
- [Manufacturing Angel Investors in Germany](https://shizune.co/investors/manufacturing-angel-investors-germany)
- [Manufacturing Angel Investors in Europe](https://shizune.co/investors/manufacturing-angel-investors-europe)
- [Climate Angel Investors in Europe](https://shizune.co/investors/climate-angel-investors-europe)

## FAQ

### What does Johannes Schaback invest in?

Johannes Schaback invests primarily in Software, Artificial Intelligence and SaaS startups, most often at Seed and Pre-Seed stage. Most of the 10 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Johannes Schaback's check size?

Johannes Schaback typically joins rounds of $1.6M–$6.6M at Seed and $1M–$2.6M at Pre-Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Johannes Schaback participates in.

### How do I contact Johannes Schaback?

Public channels for Johannes Schaback 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 Johannes Schaback last invest?

The most recent investment recorded for Johannes Schaback closed in Sep 2025. Shizune tracks 10 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.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co