# David Haughie

> David Haughie is a Series A investor at Mercuria (London) backing CleanTech and Industrial. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Mercuria](https://shizune.co/investors/profile/mercuria-energy-group)
- Location: London, United Kingdom
- Total investments: 1
- Last investment: Jan 2022
- Lead investor: 100%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/david-haughie-4890382

David Haughie is a Series A investor at Mercuria in London focused on CleanTech and Industrial. David Haughie currently works as the Managing Director for Mercuria.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| CleanTech | 1 | 100% |
| Industrial | 1 | 100% |
| Environmental Engineering | 1 | 100% |
| Heating, Ventilation, and Air Conditioning (HVAC) | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Exergyn | Exergyn is a clean-tech company that develops solid state HVAC technology (heat pumps and air conditioning). The company creates a component that it claims can be inserted into a variety of existing energy products, replacing environmentally hazardous refrigerants. Exergyn was founded in 2012 and is headquartered in Dublin 11, Dublin. | $34M | Series A | Jan 21, 2022 |  |

1 of 1 investments shown.

## Co-investors
- [Lacerta Partners](https://shizune.co/investors/profile/lacerta-partners) — VC Fund, 2 deals together
- [McWin Partners](https://shizune.co/investors/profile/mcwin) — VC Fund, 1 deal together

## About Mercuria

VC Fund · Geneva, Switzerland

Mercuria is a privately held Swiss international commodity trading company active over a wide spectrum of global energy.

5 contacts available at Mercuria.

| Name | Title | Profile |
| --- | --- | --- |
| Boris Bystrov | Managing Director | https://shizune.co/investors/profile/boris-bystrov-0f72 |
| David Haughie | Managing Director | https://shizune.co/investors/profile/david-haughie |
| Guillaume de Dardel | Trader | https://shizune.co/investors/profile/guillaume-de-dardel |
| Marco Dunand | Founder & Presidemt & CEO | https://shizune.co/investors/profile/marco-dunand |
| Maria Bellmunt | UX/UI Lead Designer Contractor | https://shizune.co/investors/profile/maria-bellmunt |

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## FAQ

### What does David Haughie invest in?

David Haughie invests primarily in CleanTech, Industrial and Environmental Engineering startups, most often at Series A stage. Most of the 1 investments tracked by Shizune back companies in Ireland. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did David Haughie last invest?

The most recent investment recorded for David Haughie closed in Jan 2022. Shizune tracks 1 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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