# Maciej Zientara

> Maciej Zientara is a seed investor backing Fitness, Hardware and Software. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Total investments: 2
- Last investment: Jun 2024
- Lead investor: 100%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/maciej-zientara-aba44847

Maciej Zientara is a seed investor focused on Fitness and Hardware. Maciej Zientara

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Fitness | 1 | 50% |
| Hardware | 1 | 50% |
| Software | 1 | 50% |
| Wellness | 1 | 50% |
| Education | 1 | 50% |

8 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 1 | 50% |
| Pre-Seed | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| CampusAI | CampusAI turns online learning into an authentic journey. It is a generative platform to design and build a system that instructs users in the ethical and professional use of artificial intelligence. CampusAI collaborates with reputable experts in both science and business. CampusAI was given access to CampusAI's research findings, expertise,and even their image. CampusAI created digital representations of people and organized their knowledge into a digital environment that is accessible to anyone. | $9.9M | Pre-Seed | Jun 11, 2024 |  |
| SOLO Workout (Heavy Kinematic Machines) | Heavy Kinematic Machines is a technological StartUp, which is developing Workout Tracking System – SOLO Workout. It is cloud-based data collection device consisting of sensors paired with gym equipment and an app. SOLO Workout enables to track your workouts in real-time, monitor your progress, create personal training plan, record trainingperformance. We already developed sensors for stack weight machines, cardio and dumbbells now we work on barbells, in the future we can cover as well the functional training. We develop also SOLO Workout App that makes collecting workout data of users easier than ever. Using our sensors we automatically capture data, that until now, has only been available on modern smart equipment. Including machine usage, weight logged, reps, sets, dynamics and much more. We deliver also the administration platform for clubs and personal trainers, that offers a complete overview of statistics on machine usage and the workout made by users. With the platform you can manage and optimise the gym arrangement. The platform allows for gamification and data-based member engagement. Now personal trainers can follow progress of their customers, create and share workout plans and give feedback to encourage the members to stay motivated. | $1.2M | Seed |  |  |

2 of 2 investments shown.

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## FAQ

### What does Maciej Zientara invest in?

Maciej Zientara invests primarily in Fitness, Hardware and Software startups, most often at Seed and Pre-Seed stage. Most of the 2 investments tracked by Shizune back companies in Poland. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Maciej Zientara last invest?

The most recent investment recorded for Maciej Zientara closed in Jun 2024. Shizune tracks 2 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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