# Rubin Ritter

> Rubin Ritter is a seed investor at Zalando (Berlin) backing Artificial Intelligence and Software. See 18 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Zalando](https://shizune.co/investors/profile/zalando)
- Location: Berlin, Germany
- Total investments: 18
- Last investment: Jan 2026
- Lead investor: 6%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/rubin-ritter-03268546

Rubin Ritter is a seed investor at Zalando in Berlin focused on Artificial Intelligence and Software. Rubin is Co-CEO of Zalando and has been a Member of the Management Board at Zalando SE since he joined the company in 2010. He is responsible for strategy and communications. From 2007 to 2009, Rubin worked at McKinsey & Company. He graduated from the WHU – Otto-Beisheim Graduate School of Management in 2007 with a degree in BusinessAdministration. In 2006, he was awarded an MBA from the University of Texas (USA).

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $4.3M–$5.6M |
| Series A | $16M–$32M |
| Series B | $8M–$40M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Artificial Intelligence | 5 | 28% |
| Software | 3 | 17% |
| Financial Services | 3 | 17% |
| SaaS | 2 | 11% |
| FinTech | 2 | 11% |

39 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 6 | 33% |
| Series A | 4 | 22% |
| Series B | 3 | 17% |
| Pre-Seed | 2 | 11% |
| Venture - Series Unknown | 2 | 11% |

6 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Germany | 16 | 89% |
| United States | 2 | 11% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Qrambo | Qrambo manages companies' operational processes end-to-end through AI-powered workflow automation and automates repetitive and error-prone processes while offering modular solutions for various sectors such as fintech, e-commerce, educational technology (edtech), logistics, and supply chain management. |  | Seed | Jan 21, 2026 |  |
| StratifAI | Building the next generation of biomarkers for precision oncology | $14.7M |  | Sep 30, 2025 |  |
| Flagright | Flagright develops an AI-powered platform for anti-money laundering (AML), fraud detection, transaction monitoring, risk scoring, case management, and regulatory compliance for banks, fintechs, and financial institutions. The company describes its platform as the AI operating system for financial crime compliance and offers AI agents, AI forensics,AI-assisted investigations, and machine-learning-based risk detection capabilities. | $4.3M | Seed | Mar 27, 2025 |  |
| Sereact | Sereact created an adaptable AI in order to commercialise a new era of intelligent robots. They developed adaptable AI to commercialise a new era of intelligent robots. They use artificial intelligence to assist their customers in closing automation gaps and achieving new levels of cost-efficiency. | $26.1M | Series A | Jan 20, 2025 |  |
| 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 |  |
| Orbem | Orbem is shedding light on the world's toughest challenges by unleashing AI-powered imaging for everything and everyone. This means developing fast, accurate, and accessible imaging solutions that provide access to otherwise unattainable sources of knowledge.Orbem is developing deep tech solutions to sustainably feed the world, improve humanhealth, and maximize human potential.Based on years of scientific research at the interface of AI and imaging technology, Orbem was founded in 2019 as a spin-off from the Technical University of Munich. | $31.9M | Series A | Oct 11, 2023 |  |
| Oaks | Oaks rewards consumers for saving up for the things they really want |  | Pre-Seed | Jul 03, 2023 |  |
| Valuecase | Valuecase is the best way to collaborate with your B2B customers – built to shorten the time it take to close and launch a new customer. It replaces email chains, manual task lists, and clunky SharePoints with a single branded workspace – shared with your customer, tracked, and easy to use. Pre-sale, your team shares proposals, case studies, andaction plans. Post-sale, it's where customers follow their onboarding – plans, intake forms, content, and progress in one place. AI handles the reminders and flags what's stuck. 500+ customer-facing teams in software and services companies use Valuecase to close & onboard their customers up to 50% faster. | $3.5M | Pre-Seed | Sep 08, 2022 |  |
| Lottie | Lottie's mission is to change the way young kids experience technology and to bring peace of mind to parents, by building a magical experience that the whole family can love. |  | Seed | Jan 09, 2022 |  |
| Collato | Collato empowers creators to collaborate with clients in one single place. | $4.7M | Seed | Nov 24, 2021 |  |

10 of 18 investments shown.

## Co-investors
- [Picus Capital](https://shizune.co/investors/profile/picus-capital) — VC Fund, 5 deals together
- [Atlantic](https://shizune.co/investors/profile/atlantic-labs) — VC Fund, 2 deals together
- [HV Capital](https://shizune.co/investors/profile/holtzbrinck-ventures) — VC Fund, 2 deals together
- [redalpine](https://shizune.co/investors/profile/redalpine-venture-partners) — VC Fund, 2 deals together
- [XAnge](https://shizune.co/investors/profile/xange-private-equity) — VC Fund, 2 deals together
- [10x Founders](https://shizune.co/investors/profile/10x-founders) — VC Fund, 1 deal together

## About Zalando

VC Fund · Berlin, Germany

Zalando is a European online fashion platform- offering a broad assortment of fashion for men, women and children. It carries over 1.500 brands and over 150.000 product choices for over 17 million customers in 15 countries. By constantly optimising its processes and platform offerings, using its e-commerce expertise and lots of can-do spirit,Zalando have become Europe's leading online fashion retailer in only a few years. Its goal is to create the world’s best online fashion experience. The cores of its business are what the company focuses on, always striving to be cutting-edge in fashion, technology, marketing, and logistics. Zalando SE in Berlin is the group’s centrepiece which focuses on the development of its core product: the online shopping experience. Zalando SE operates the international business and takes care of their business development. Zalando SE comprises functions like the management, marketing, administration, and technology.

5 contacts available at Zalando.

| Name | Title | Profile |
| --- | --- | --- |
| Lorenzo Grabau | Deputy Chairman of the Supervisory Board | https://shizune.co/investors/profile/lorenzo-grabau |
| David Schneider | Founder | https://shizune.co/investors/profile/david-schneider-3 |
| Eric Bowman | VP Engineering | https://shizune.co/investors/profile/eric-bowman |
| Gunnar Obst | Delivery Lead Platform Excellence | https://shizune.co/investors/profile/gunnar-obst |
| Jan Bartels | SVP B2B | https://shizune.co/investors/profile/jan-bartels |

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## FAQ

### What does Rubin Ritter invest in?

Rubin Ritter invests primarily in Artificial Intelligence, Software and Financial Services startups, most often at Seed and Series A stage. Most of the 18 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Rubin Ritter's check size?

Rubin Ritter typically joins rounds of $4.3M–$5.6M at Seed, $16M–$32M at Series A and $8M–$40M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Rubin Ritter participates in.

### When did Rubin Ritter last invest?

The most recent investment recorded for Rubin Ritter closed in Jan 2026. Shizune tracks 18 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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