# Piotr Karwatka

> Piotr Karwatka is a pre-seed investor backing Audio, Sales and Finance. See 7 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Total investments: 7
- Last investment: Jan 2026
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/piotrkarwatka/

Piotr Karwatka is an angel investor.

## Round sizes

| Stage | Round size |
| --- | --- |
| Pre-Seed | $1.1M–$2.6M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Audio | 1 | 14% |
| Sales | 1 | 14% |
| Finance | 1 | 14% |
| Software | 1 | 14% |
| Marketing | 1 | 14% |

14 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Pre-Seed | 5 | 71% |
| Seed | 1 | 14% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Poland | 3 | 43% |
| United States | 1 | 14% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Mos Health | Mos Health creates a digital health platform that blends an AI-powered application with its own line of supplements. The Health platform uses artificial intelligence to create personalized health recommendations, supplement routines, and wellness advice as per the individual patient. | $1.1M | Pre-Seed | Jan 30, 2026 |  |
| Doctor.One | Doctor.One is a chronic care platform that empowers healthcare professionals to stay connected with their patients through continuous, asynchronous communication. By transforming care into a relationship-driven experience beyond the visit, we help improve engagement, boost adherence, and ensure that no chronic patient feels alone in their healthjourney. | $4.7M | Seed | Sep 17, 2025 |  |
| Defguard | Defguard is an open-source on-premise security platform and was created to give businesses powerful capabilities for safe access control. | $1.4M | Pre-Seed | May 21, 2025 |  |
| Proofs | Proofs enable companies with APIs to build proof-of-concept (PoCs) and integrations for their prospects in minutes. Proofs follow practices for the whole software development cycle adjusted to your stack and workflow preferences and provide a preview URL along with a Docker image, while a tested and documented codebase is committed back to therepository seamlessly integrating with CI and CD systems. | $2.6M | Pre-Seed | Jun 20, 2024 |  |
| Proofs | Proofs enable companies with APIs to build proof-of-concept (PoCs) and integrations for their prospects in minutes. Proofs follow practices for the whole software development cycle adjusted to your stack and workflow preferences and provide a preview URL along with a Docker image, while a tested and documented codebase is committed back to therepository seamlessly integrating with CI and CD systems. | $2.6M | Pre-Seed | Jun 18, 2024 |  |
| ElevenLabs | Research Lab. Exploring new frontiers of voice generation. We are researching and deploying novel methods in voice AI to make content enjoyable in any language and voice to benefit new audiences and viewers. Our mission is to make content universally accessible in any language & voice. | $2M | Pre-Seed | Jan 22, 2023 |  |
| Demoboost | Demoboost helps software companies deliver demo experience that sells.Presales, sales, marketing and customer success teams use Demoboost to easily and quickly prepare, share and track product demos with their customers.They avoid spending a lot of time preparing demos or relying on generic ones, frustrating customers with long wait times andstressing about unstable infrastructure.Instead, they use Demoboost and enjoy more effective teams, happier customers and better bottom line.Come and join the demo experience revolution. | $1.7M | Pre-Seed | Oct 06, 2022 |  |

7 of 7 investments shown.

## Co-investors
- [Credo Ventures](https://shizune.co/investors/profile/credo-ventures) — VC Fund, 2 deals together
- [Expeditions](https://shizune.co/investors/profile/expeditions-fund) — VC Fund, 2 deals together
- [Movens Capital](https://shizune.co/investors/profile/movens-capital) — VC Fund, 2 deals together
- [RTP Global](https://shizune.co/investors/profile/rtp-global) — VC Fund, 2 deals together
- [SMOK Ventures](https://shizune.co/investors/profile/smok-ventures) — VC Fund, 2 deals together
- [Step Function Ventures](https://shizune.co/investors/profile/step-function-ventures) — VC Fund, 2 deals together

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### Similar industry
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### Similar stage
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### Similar country
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## FAQ

### What does Piotr Karwatka invest in?

Piotr Karwatka invests primarily in Audio, Sales and Finance startups, most often at Pre-Seed and Seed stage. Most of the 7 investments tracked by Shizune back companies in Poland. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Piotr Karwatka's check size?

Piotr Karwatka typically joins rounds of $1.1M–$2.6M at Pre-Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Piotr Karwatka participates in.

### When did Piotr Karwatka last invest?

The most recent investment recorded for Piotr Karwatka closed in Jan 2026. Shizune tracks 7 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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