# Axel Stepken

> Axel Stepken is a seed investor backing Software, B2B and AgTech. See 3 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Total investments: 3
- Last investment: Jan 2026
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/axel-stepken-50048a1b/en
- X (Twitter): https://twitter.com/AxelStepken
- Website: https://x.com/AxelStepken

Axel Stepken is a seed investor focused on Software and B2B. Axel Stepken was born in Essen, Germany. He graduated with a degree in Electrical Engineering from the RWTH Aachen and achieved his PhD in High Voltage Engineering in 1989.Upon completion of his PhD, Axel Stepken worked at ABB where he held several Management positions in Germany and Indonesia within the Power Transmission and DistributionSegment. He joined TÜV SÜD AG as Member of the Board of Management responsible for the INDUSTRY and the former PEOPLE Strategic Business Segments as well as the Strategic Region ASIA. In June 2007 Axel Stepken was appointed the Chairman of the Board of Management.

## Contacts

5 contacts available for Axel Stepken: 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/axel-stepken?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $2.3M–$7.3M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 3 | 100% |
| B2B | 1 | 33% |
| AgTech | 1 | 33% |
| Carbon Capture | 1 | 33% |
| Renewable Energy | 1 | 33% |

9 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| CertHub | The smartest and most user-friendly solution for MedTech compliance. CertHub re-invented MDR / IVDR compliance for enabling faster innovation without painful paper-work. | $7.3M | Seed | Jan 06, 2026 | https://www.certhub.de/en |
| Atmen | Atmen is a SaaS Platform that enables energy-intensive goods producers to easily and continuously certify their production as green, saving up to 90% time in the process. Starting with green hydrogen and e-fuels. Atmen's IoT and software solution makes it easy for producers to prove the renewable origin of their energy, quantify carbonemissions based on operational data, obtain government-approved certificates, unlock the highest green premium from it. Before a production site is operational, we can run a pre-certification analysis to simulate energy flows, forecast carbon intensity and screen for compliance with a variety of certification standards and schemes - all that to generate trust and increase project bankability. | $5.7M | Seed | Jun 03, 2025 | https://www.atmen.co/ |
| Seqana | X-Ray-Vision” Monitoring SaaS, for Soil Organic Carbon. To fight climate change, we enable Project Developers and Agri-Food Corporates to measure and understand soil carbon sequestration in an ultra low cost, fast, precise, and affordable way. At planetary scale! | $2.3M | Seed | May 30, 2024 | https://seqana.com/ |

3 of 3 investments shown.

## Co-investors
- [Calm/Storm VC](https://shizune.co/investors/profile/calm-storm-ventures) — VC Fund, 1 deal together
- [Counteract](https://shizune.co/investors/profile/counteract) — VC Fund, 1 deal together
- [Cusp Capital](https://shizune.co/investors/profile/cusp-capital) — VC Fund, 1 deal together
- [D11Z.Ventures](https://shizune.co/investors/profile/d11z-ventures) — VC Fund, 1 deal together
- [HTGF (High-Tech Gruenderfonds)](https://shizune.co/investors/profile/high-tech-gr%C3%BCnderfonds) — VC Fund, 1 deal together
- [Project A Ventures](https://shizune.co/investors/profile/project-a-ventures) — VC Fund, 1 deal together

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## FAQ

### What does Axel Stepken invest in?

Axel Stepken invests primarily in Software, B2B and AgTech startups, most often at Seed stage. Most of the 3 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Axel Stepken's check size?

Axel Stepken typically joins rounds of $2.3M–$7.3M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Axel Stepken participates in.

### How do I contact Axel Stepken?

Public channels for Axel Stepken 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 Axel Stepken last invest?

The most recent investment recorded for Axel Stepken closed in Jan 2026. Shizune tracks 3 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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