# Dusan Duffek

> Dusan Duffek is a pre-seed investor at Jarvify (Bratislava) backing Big Data and Health Care. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Jarvify](https://shizune.co/investors/profile/jarvify)
- Location: Bratislava, Slovakia (Slovak Republic)
- Total investments: 1
- Last investment: Jun 2020
- Lead investor: 100%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/dusan-duffek/

Dusan Duffek is a pre-seed investor at Jarvify in Bratislava focused on Big Data and Health Care. Dusan Duffek

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Big Data | 1 | 100% |
| Health Care | 1 | 100% |
| Medical Device | 1 | 100% |
| Image Recognition | 1 | 100% |
| Health Diagnostics | 1 | 100% |

6 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Powerful Medical | Powerful Medical's PMcardio® is an AI-powered cardiovascular diagnostics and care coordination platform that transforms any 12-lead ECG—paper, scan, image, or digital—into an instant, expert-level diagnostic tool on any smartphone or computer. Powered by Queen of Hearts™, our FDA breakthrough-designated STEMI detection model, PMcardioidentifies true STEMI and STEMI-equivalent patterns with far greater accuracy than traditional criteria. Already used by 100,000 clinicians and detecting 36,000 heart attacks in H1/25 alone, PMcardio has been recognized as a strategic EU priority with a $46M non-dilutive R&D grant, and we are now seeking a $25M partner to commercialize in the U.S.Trained on 2.5 million clinically validated ECGs and proven in 15+ clinical studies, Queen of Hearts™ delivers twice the sensitivity for early STEMI detection and reduces false positives by 90%, cutting door-to-balloon times by an average of 48 minutes. PMcardio closes critical diagnostic gaps—especially in non-PCI and rural settings—ensuring faster, more accurate triage and timely access to life-saving PCI therapy.Powerful Medical has been recognized by the AHA, Google for Startups, and has won the 2025 MedTech Innovator Program! | $3.3M | Pre-Seed | Jun 01, 2020 |  |

1 of 1 investments shown.

## Co-investors
- [Arieli Group](https://shizune.co/investors/profile/arieli-capital) — VC Fund, 1 deal together
- [bpd partners](https://shizune.co/investors/profile/bpd-partners) — VC Fund, 1 deal together
- [Venture to Future Fund](https://shizune.co/investors/profile/venture-to-future-fund) — VC Fund, 1 deal together

## About Jarvify

VC Fund



1 contacts available at Jarvify.

| Name | Title | Profile |
| --- | --- | --- |
| Dusan Duffek | Co-Founder and President | https://shizune.co/investors/profile/dusan-duffek |

## 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 Dusan Duffek invest in?

Dusan Duffek invests primarily in Big Data, Health Care and Medical Device startups, most often at Pre-Seed stage. Most of the 1 investments tracked by Shizune back companies in Slovakia (Slovak Republic). The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Dusan Duffek last invest?

The most recent investment recorded for Dusan Duffek closed in Jun 2020. Shizune tracks 1 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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