# Aleksander Stefanowicz

> Aleksander Stefanowicz is a seed investor backing Big Data, Software and CleanTech. See 4 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Total investments: 4
- Last investment: Jan 2022
- Lead investor: 25%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/aleksander-stefanowicz-00775810/

Aleksander Stefanowicz is a seed investor focused on Big Data and Software. Private investor (10+ years), blockchain enthusiast since 2013, co-founder of a few companies with a demonstrated history of working in the information technology and finance, with scientific background (Doctoral degree in materials science and renewable energy from Ruhr-Universität Bochum). My investment interests are basically focused in thefollowing areas: GreenTech (renewable energy, waste recycling, other sustainable technologies), cutting edge technologies for medicine and pharmacy, IT, FinTech, blockchain (only deeptech blockchain-based applied projects). Be free, constantly evolve, improve the world and win. It's my credo.

## Round sizes

| Stage | Round size |
| --- | --- |
| Pre-Seed | $11k–$300k |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Big Data | 1 | 25% |
| Software | 1 | 25% |
| CleanTech | 1 | 25% |
| Blockchain | 1 | 25% |
| Biotechnology | 1 | 25% |

11 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 1 | 25% |
| Pre-Seed | 1 | 25% |
| Series B | 1 | 25% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 2 | 50% |
| Estonia | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| BANTgo | BANTgo creates a passive income stream for the growing online food delivery market with an Adtech GO-OOH platform that mobilizes brands and displays non-competitive location-based advertising in real-time. We also offer Eaters, our Blockchain enabled recycling app called GO-Cycle app which allows Eaters to recycle and engage in sustainablebehaviors in exchange for discounts, clean coins and other tokens. | $300K | Pre-Seed | Jan 01, 2022 |  |
| DEIP | DEIP provides a set of Web 3.0 protocols, tools, and applications for the creative economy. The core protocol is Web 3.0 protocol for Intellectual Capital.DEIP Protocol (or Intellectual Capital Protocol) is a decentralized protocol that allows discovering, evaluation, licensing, and exchange of intangible assets, designed specifically forintangible assets tokenization (as F-NFT), governance (via DAO), and liquidity (via DeFi instruments and derivatives).DEIP Network is an application-specific Polkadot Parachain built with Substrate 3.0 Framework and implements various creative economy protocols: the core protocol is Intellectual Capital Protocol, and on top of it the network implements Collective Intelligence Protocol, Dynamic Liquidity Protocol, and others. | $2M | Seed | Jul 31, 2021 |  |
| Aria Pharmaceuticals | Aria Pharmaceuticals is a preclinical-stage pharmaceutical company discovering and developing novel small molecule therapies for complex and hard-to-treat diseases. Too many patients today are in need of breakthrough treatments across many complicated diseases – they can't wait. That's why at Aria, we have redefined the drug discoveryapproach, saving years in the process and increasing success rates 30 times higher than traditional methods. At Aria, we've shown promise across a diverse range of therapeutic areas with the ability to address over 1,000 diseases. |  | Series B | Jul 09, 2021 |  |
| BANTgo | BANTgo creates a passive income stream for the growing online food delivery market with an Adtech GO-OOH platform that mobilizes brands and displays non-competitive location-based advertising in real-time. We also offer Eaters, our Blockchain enabled recycling app called GO-Cycle app which allows Eaters to recycle and engage in sustainablebehaviors in exchange for discounts, clean coins and other tokens. | $10.5K | Pre-Seed | Jun 01, 2021 |  |

4 of 4 investments shown.

## Co-investors
- [AU21 Capital](https://shizune.co/investors/profile/au21-capital) — VC Fund, 1 deal together
- [Bella Protocol](https://shizune.co/investors/profile/bella-protocol) — VC Fund, 1 deal together
- [Blockwall](https://shizune.co/investors/profile/blockwall-management-gmbh) — VC Fund, 1 deal together
- [Future Planet Capital](https://shizune.co/investors/profile/future-planet-capital) — VC Fund, 1 deal together
- [Gains Associates](https://shizune.co/investors/profile/gains-associates) — VC Fund, 1 deal together
- [Hillrise Ventures](https://shizune.co/investors/profile/hillrise-capital) — VC Fund, 1 deal together

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### Similar industry
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### Similar stage
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### Similar country
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## Featured in investor lists
- [CleanTech Angel Investors](https://shizune.co/investors/cleantech-angel-investors)
- [CleanTech Angel Investors in United States](https://shizune.co/investors/cleantech-angel-investors-united-states)
- [Blockchain Angel Investors in Estonia](https://shizune.co/investors/blockchain-angel-investors-estonia)

## FAQ

### What does Aleksander Stefanowicz invest in?

Aleksander Stefanowicz invests primarily in Big Data, Software and CleanTech startups, most often at Seed and Pre-Seed stage. Most of the 4 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Aleksander Stefanowicz's check size?

Aleksander Stefanowicz typically joins rounds of $11k–$300k 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 Aleksander Stefanowicz participates in.

### When did Aleksander Stefanowicz last invest?

The most recent investment recorded for Aleksander Stefanowicz closed in Jan 2022. Shizune tracks 4 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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