# Piotr Siezieniewski

> Piotr Siezieniewski is a Series A investor at RIO ASI backing Medical. See 1 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Fund: [RIO ASI](https://shizune.co/investors/profile/rio-asi)
- Total investments: 1
- Last investment: Mar 2025
- Lead investor: 100%
- Last updated: Aug 2026

Piotr Siezieniewski is a Series A investor at RIO ASI focused on Medical and Health Care.

## Contacts

5 contacts available for Piotr Siezieniewski: 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/piotr-siezieniewski?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Medical | 1 | 100% |
| Health Care | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Jutro Medical | Jutro Medical offers a combination of online and offline primary care — pairing mobile first telemedicine with physical clinic | $13M | Series A | Mar 19, 2025 |  |

1 of 1 investments shown.

## Co-investors
- [Inovo.vc](https://shizune.co/investors/profile/inovo-vc) — VC Fund, 1 deal together
- [KAYA](https://shizune.co/investors/profile/kaya-8ed9) — VC Fund, 1 deal together

## About RIO ASI

VC Fund · Warsaw, Poland

RIO ASI is a single family office.

1 contacts available at RIO ASI.

| Name | Title | Profile |
| --- | --- | --- |
| Piotr Siezieniewski | General Counsel | https://shizune.co/investors/profile/piotr-siezieniewski |

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## FAQ

### What does Piotr Siezieniewski invest in?

Piotr Siezieniewski invests primarily in Medical and Health Care startups, most often at Series A stage. Most of the 1 investments tracked by Shizune back companies in Poland. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Piotr Siezieniewski?

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 Piotr Siezieniewski last invest?

The most recent investment recorded for Piotr Siezieniewski closed in Mar 2025. 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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