# Marie Thompson

> Marie Thompson is a seed investor at Powerhouse Ventures backing Web Development. See 3 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Powerhouse Ventures](https://shizune.co/investors/profile/powerhouse-ventures-b1e4)
- Location: Oakland, United States
- Total investments: 3
- Last investment: Oct 2025
- Lead investor: 33%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/mn-thompson/

Marie Thompson is a seed investor at Powerhouse Ventures in Oakland focused on Web Development and Prediction Markets. Marie Thompson is the Principal at Powerhouse Ventures. Attended University of California, Berkeley, Haas School of Business.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Web Development | 1 | 33% |
| Prediction Markets | 1 | 33% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 2 | 67% |
| Pre-Seed | 1 | 33% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| France | 1 | 33% |
| United States | 1 | 33% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Class 3 Technologies | Class 3 Technologies uses a private modelling platform that updates environmental risk information and solutions to avoid climate-related consequences.​ | $3.5M | Seed | Oct 01, 2025 |  |
| Granular Energy | Granular Energy is the platform of the future for managing and trading clean energy.​ |  | Seed | Oct 02, 2023 |  |
| Granular Energy | Granular Energy is the platform of the future for managing and trading clean energy.​ |  | Pre-Seed | Jun 14, 2022 |  |

3 of 3 investments shown.

## Co-investors
- [Sustainable Future Ventures](https://shizune.co/investors/profile/sustainable-future-ventures) — VC Fund, 1 deal together
- [Tailwind](https://shizune.co/investors/profile/tailwind-51ff) — VC Fund, 1 deal together

## About Powerhouse Ventures

VC Fund · Oakland, United States

Powerhouse Ventures backs seed-stage startups building innovative software to rapidly decarbonize our global energy and mobility systems.

4 contacts available at Powerhouse Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Emily Kirsch | Founder, Managing Partner & CEO | https://shizune.co/investors/profile/emily-kirsch-2 |
| Emily Kirsch | Founder, Managing Partner & CEO | https://shizune.co/investors/profile/emily-kirsch |
| Marie Thompson | Principal | https://shizune.co/investors/profile/marie-thompson-0d49 |
| Shaandiin Cedar | Associate | https://shizune.co/investors/profile/shaandiin-cedar |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Marie Thompson invest in?

Marie Thompson invests primarily in Web Development and Prediction Markets startups, most often at Seed and Pre-Seed stage. Most of the 3 investments tracked by Shizune back companies in France. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Marie Thompson last invest?

The most recent investment recorded for Marie Thompson closed in Oct 2025. Shizune tracks 3 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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