# Jonas Rieke

> Jonas Rieke is a seed investor at Personio Foundation (Munich) backing SaaS and Battery. See 11 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Personio Foundation](https://shizune.co/investors/profile/personio-foundation)
- Location: Munich, Germany
- Total investments: 11
- Last investment: Nov 2024
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/jonasrieke/

Jonas Rieke is a seed investor at Personio Foundation in Munich focused on SaaS and Battery. Jonas Rieke is based out of Munich, Bayern and is the Co-Founder & COO of Personio & Co-Founder of Personio Foundation. Jonas previously worked at Project A Ventures as an Investment Management. Jonas Rieke attended the Center for Digital Technology and Management, CDTM. Jonas Rieke received Rotary Ambassadorial Scholarship.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $4.9M–$12M |
| Series A | $11M–$32M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| SaaS | 2 | 18% |
| Battery | 2 | 18% |
| Legal Tech | 2 | 18% |
| Health Care | 2 | 18% |
| Energy Storage | 2 | 18% |

19 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 4 | 36% |
| Series A | 4 | 36% |
| Angel | 1 | 9% |
| Pre-Seed | 1 | 9% |
| Funding Round | 1 | 9% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Germany | 7 | 64% |
| Sweden | 2 | 18% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| tozero | Tozero builds a lithium-ion battery recycling machine to recover critical materials, including lithium, nickel, cobalt, and graphite. The company aims to accelerate decarbonization efforts through innovative recycling technologies. | $11.7M | Seed | Nov 12, 2024 |  |
| Entrix | Entrix is an optimisation and trading platform for grid-scale battery storage that accelerates the transition towards a clean energy future. Our mission is to enable the most effective use of green energy and to ensure the reliability of the future energy system. We provide state-of-the-art technology and services to both asset owners and potentialinvestors across the globe. | $18.5M | Series A | Feb 01, 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 |  |
| tozero | Tozero builds a lithium-ion battery recycling machine to recover critical materials, including lithium, nickel, cobalt, and graphite. The company aims to accelerate decarbonization efforts through innovative recycling technologies. | $3.5M | Pre-Seed | Sep 06, 2022 |  |
| Rex | Rex has built the next generation of veterinary care, transforming a traditional industry to better serve pet owners, pets, veterinarians, and staff. Its state-of-the-art app, in-clinic technology, and design-forward space foster meaningful relationships between doctors, pets, and their owners. | $5.1M | Seed | Jul 18, 2022 |  |
| nilo.health | nilo.health is the mental well-being support for your entire workforce. | $8M | Seed | May 23, 2022 |  |
| PocketLaw | Manage your company's legal in one place. PocketLaw paves the way so you can focus on what really matters - driving your business forward. | $11M | Series A | May 09, 2022 |  |
| Miramis | Miramis is an AI-native contract lifecycle management (CLM) platform designed for legal, sales, HR, and procurement teams. It enables businesses to create, negotiate, approve, sign, store, track, and analyze contracts in a single platform. Its built-in AI contract agent, PLAI, automates contract review, risk analysis, and portfolio insights tostreamline legal workflows. | $10.6M | Series A | May 09, 2022 |  |
| DeepDrive | Deep Drive primarily develops drives for electric vehicles. | $4.9M | Seed | Feb 14, 2022 |  |
| Workpath | Workpath is the leading enterprise software provider enabling organizations to execute their strategies fast, flexible and effective in an increasingly dynamic and complex world. With simple and intuitive workflow tools Workpath engages all employees in the strategy and execution process. Its comprehensive analytics suite empowers executives tomake better decisions on when to adapt focus, budgets or structures as early as possible. |  |  | Apr 20, 2021 |  |

10 of 11 investments shown.

## Co-investors
- [Atlantic](https://shizune.co/investors/profile/atlantic-labs) — VC Fund, 4 deals together
- [Possible Ventures](https://shizune.co/investors/profile/possible-ventures) — VC Fund, 3 deals together
- [Atomico](https://shizune.co/investors/profile/atomico) — VC Fund, 2 deals together
- [Verve Ventures](https://shizune.co/investors/profile/verve-ventures) — VC Fund, 2 deals together
- [Vorwerk Ventures](https://shizune.co/investors/profile/vorwerk-direct-selling-ventures) — VC Fund, 2 deals together
- [ABACON](https://shizune.co/investors/profile/abacon-capital) — VC Fund, 1 deal together

## About Personio Foundation

VC Fund



3 contacts available at Personio Foundation.

| Name | Title | Profile |
| --- | --- | --- |
| Hanno Renner | Co-Founder & Chairman | https://shizune.co/investors/profile/hanno-renner |
| Jonas Rieke | Co-Founder | https://shizune.co/investors/profile/jonas-rieke |
| Roman Schumacher | Co-Founder | https://shizune.co/investors/profile/roman-schumacher |

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## FAQ

### What does Jonas Rieke invest in?

Jonas Rieke invests primarily in SaaS, Battery and Legal Tech startups, most often at Seed and Series A stage. Most of the 11 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Jonas Rieke's check size?

Jonas Rieke typically joins rounds of $4.9M–$12M at Seed and $11M–$32M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Jonas Rieke participates in.

### When did Jonas Rieke last invest?

The most recent investment recorded for Jonas Rieke closed in Nov 2024. Shizune tracks 11 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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