# Joerg Rheinboldt

> Joerg Rheinboldt is a pre-seed investor at HEARTFELT backing Software and Artificial Intelligence. See 26 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [HEARTFELT](https://shizune.co/investors/profile/heartfelt)
- Location: Berlin, Germany
- Total investments: 26
- Last investment: Dec 2025
- Lead investor: 23%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/rheinboldt
- X (Twitter): http://twitter.com/joerg
- Website: https://joerg.medium.com
- Facebook: https://www.facebook.com/joerg.rheinboldt

Joerg Rheinboldt is a pre-seed investor at HEARTFELT in Berlin focused on Software and Artificial Intelligence. Joerg Rheinboldt is the General Partner of HEARTFELT. He previously worked at M10 GmbH as a Founder and Owner. Joerg Rheinboldt attended the University of Cologne.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 6 | 23% |
| Artificial Intelligence | 4 | 15% |
| Health Care | 3 | 12% |
| SaaS | 2 | 8% |
| Information Technology | 2 | 8% |

44 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Pre-Seed | 13 | 50% |
| Seed | 8 | 31% |
| Venture - Series Unknown | 1 | 4% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Germany | 8 | 31% |
| United Kingdom | 3 | 12% |
| United States | 2 | 8% |
| Spain | 1 | 4% |
| France | 1 | 4% |

7 countries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Track Titan | Track Titan provides a platform for sim racers offering automated telemetry recording, analysis, and improvement guidance. The service records in-game driving data (on PC or supported consoles), analyzes where racers lose time in corners or braking/acceleration phases, and highlights exactly where performance gains are possible. It also offerscurated setups created by esports drivers and an “Academy” providing learning content, challenges, and personalized news about games and championships. Track Titan presents lap comparisons against reference drivers to help users understand precise differences in driving style or racing line. The company supports a wide array of sims and tracks, aiming to make racing-data analysis more accessible. | $5M | Seed | Dec 04, 2025 |  |
| Rulemapping Group | Rulemapping Group is a rule-based AI platform that enables a level of end-to-end automation for rule-based processes. Automated decision-making solutions for digital legislation, administrative operations, legal procedures, and regulatory compliance. | $13.5M | Venture - Series Unknown | Apr 10, 2025 |  |
| CROWN | CROWN is modernizing procurement negotiations through ethical eAuctions. | $2.1M | Pre-Seed | Feb 04, 2025 |  |
| CROWN | CROWN is modernizing procurement negotiations through ethical eAuctions. | $2.1M | Pre-Seed | Feb 04, 2025 |  |
| Synergi | Synergi provides smart electricity management combined with demand response in households. | $2.2M | Seed | Oct 08, 2024 |  |
| Punto Health | AI-powered digital platform for management of Alzheimer's and other dementias. | $701.7K | Pre-Seed | May 28, 2024 |  |
| Punto Health | AI-powered digital platform for management of Alzheimer's and other dementias. | $701.7K | Pre-Seed | May 28, 2024 |  |
| Rototip | Rototip is a manufacturing Marketplace. | $1.1M | Seed | Feb 26, 2024 |  |
| Rototip | Rototip is a manufacturing Marketplace. | $1.1M | Seed | Feb 26, 2024 |  |
| ContentRadar | ContentRadar is a workflow automation SaaS that supercharges marketers in their day-to-day job, allowing them to orchestrate their content marketing and socials in seconds instead of hours. It includes AI-powered post creation for copy and graphics, scheduling, analytics for LinkedIn and X, and collaboration for teams and agencies. Create contentfast and create content that converts. | $730K | Pre-Seed | Sep 01, 2023 |  |

10 of 26 investments shown.

## Co-investors
- [HEARTFELT](https://shizune.co/investors/profile/heartfelt) — VC Fund, 4 deals together
- [Heartfelt Capital](https://shizune.co/investors/profile/heartfelt-capital) — VC Fund, 4 deals together
- [Abac Nest](https://shizune.co/investors/profile/abac-nest) — VC Fund, 2 deals together
- [ACT Venture Partners](https://shizune.co/investors/profile/act-venture-partners) — VC Fund, 2 deals together
- [another.vc](https://shizune.co/investors/profile/another-vc) — VC Fund, 2 deals together
- [APOK Invest](https://shizune.co/investors/profile/apok-invest) — VC Fund, 2 deals together

## About HEARTFELT

VC Fund · Berlin, Germany

HEARTFELT is Europe’s earliest-stage VC. They support and partner with the most pre-seed startups.

3 contacts available at HEARTFELT.

| Name | Title | Profile |
| --- | --- | --- |
| Joerg Rheinboldt | General Partner | https://shizune.co/investors/profile/jrg-rheinboldt |
| Laurent Kaestli | Coach/Mentor | https://shizune.co/investors/profile/laurent-kaestli |
| Onur Can | Investor | https://shizune.co/investors/profile/onur-can |

## Similar investors

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

## FAQ

### What does Joerg Rheinboldt invest in?

Joerg Rheinboldt invests primarily in Software, Artificial Intelligence and Health Care startups, most often at Pre-Seed and Seed stage. Most of the 26 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Joerg Rheinboldt last invest?

The most recent investment recorded for Joerg Rheinboldt closed in Dec 2025. Shizune tracks 26 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
