# Romain Diaz

> Romain Diaz is a pre-seed investor at Satgana (Cape Town) backing Energy and Software. See 10 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Satgana](https://shizune.co/investors/profile/satgana)
- Location: Cape Town, South Africa
- Total investments: 10
- Last investment: Feb 2026
- Lead investor: 50%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/romaindiaz/
- X (Twitter): https://twitter.com/niamordiaz
- Website: https://x.com/niamordiaz

Romain Diaz is a pre-seed investor at Satgana in Cape Town focused on Energy and Software. Romain Diaz has 2 current jobs as Founder & CEO of Satgana. He is a former Co-Founder & CEO of Far Ventures. He attended EM Lyon Business School.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 2 | 20% |
| Software | 2 | 20% |
| Information Technology | 2 | 20% |
| Advice | 1 | 10% |
| Aerospace | 1 | 10% |

16 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Pre-Seed | 5 | 50% |
| Seed | 3 | 30% |
| Series A | 1 | 10% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| France | 2 | 20% |
| The Netherlands | 2 | 20% |
| Germany | 1 | 10% |
| South Africa | 1 | 10% |
| United States | 1 | 10% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Ark Climate | Ark Climate is a climate-tech company that develops software to support municipal climate protection planning and execution. | $2.5M | Pre-Seed | Feb 26, 2026 |  |
| Plentify | Plentify connects home appliances with cheaper cleaner energy. It does this with an intelligent residential load management platform which matches demand with clean energy supply for 75% cheaper than batteries. Plentify combines advanced hardware, AI, and user-centric design to create smart home products that delight customers while alsostrengthening electricity systems. |  | Series A | Nov 19, 2025 |  |
| Brineworks | Brineworks' saltwater electrolyser's high-efficiency design allows for industry-leading CO2 extraction while also creating green hydrogen (H2) at a reasonable cost. | $2.2M | Seed | Sep 12, 2024 |  |
| Estuaire | Estuaire It seeks to strengthen the aviation sector by lessening its negative environmental effects. Their data firm is investigating all aspects of aviation pollution, such as CO2 emissions, NOx emissions, contrails, and aircraft production. Actionable indicators are provided to airlines, lessors, and carbon calculators to lessen the impact of airtravel. | $2.4M | Seed | Jun 25, 2024 |  |
| Loewi | Loewi allows you to sell your two-wheeled companion. | $1.1M | Pre-Seed | May 23, 2023 |  |
| Loewi | Loewi allows you to sell your two-wheeled companion. | $1.1M | Pre-Seed | May 23, 2023 |  |
| Yeasty | Yeasty produces natural and protein yeast food. | $1.4M | Seed | Nov 29, 2022 |  |
| Yeasty | Yeasty produces natural and protein yeast food. |  | Pre-Seed | Oct 20, 2022 |  |
| Mazi Mobility | Mazi Mobility is a Kenya-based Electric Mobility startup on a mission to make mass transportation more sustainable, affordable and efficient |  | Pre-Seed | Oct 20, 2022 |  |
| Orbio | Orbio helps energy companies reduce methane emissions. We do this by fusing satellite data with ground data to help environmental engineers and asset operators develop effective emission reduction strategies on the ground. | $600K | Pre-Seed | Jul 05, 2022 |  |

10 of 10 investments shown.

## Co-investors
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund, 2 deals together
- [Cameleon Invest](https://shizune.co/investors/profile/cameleon-invest) — VC Fund, 2 deals together
- [21st by CentraleSupélec](https://shizune.co/investors/profile/21st-by-centralesup%C3%A9lec) — VC Fund, 1 deal together
- [AFI Ventures](https://shizune.co/investors/profile/afi-ventures) — VC Fund, 1 deal together
- [another.vc](https://shizune.co/investors/profile/another-vc) — VC Fund, 1 deal together
- [Asterion Ventures](https://shizune.co/investors/profile/asterion-ventures) — VC Fund, 1 deal together

## About Satgana

VC Fund · Luxembourg, Luxembourg

Satgana is a Climate Tech VC firm on a mission to invest in planet-positive startups building the Future of Earth.

3 contacts available at Satgana.

| Name | Title | Profile |
| --- | --- | --- |
| Anil Maguru | Investment Director | https://shizune.co/investors/profile/anil-maguru |
| Romain Diaz | Founder & CEO | https://shizune.co/investors/profile/romain-diaz |
| James Crowley | Chief Technology Officer | https://shizune.co/investors/profile/james-crowley |

## 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 Romain Diaz invest in?

Romain Diaz invests primarily in Energy, Software and Information Technology startups, most often at Pre-Seed and Seed stage. Most of the 10 investments tracked by Shizune back companies in France. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Romain Diaz last invest?

The most recent investment recorded for Romain Diaz closed in Feb 2026. Shizune tracks 10 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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