# Nigel Steward

> Nigel Steward is a Series B investor at Rio Tinto backing Energy and Logistics. See 3 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Rio Tinto](https://shizune.co/investors/profile/rio-tinto)
- Total investments: 3
- Last investment: Jun 2024
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/nigel-steward-8796572a/

Nigel Steward is a Series B investor at Rio Tinto focused on Energy and Logistics. Nigel Steward is the Chief Scientist at Rio Tinto.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 2 | 67% |
| Logistics | 1 | 33% |
| Manufacturing | 1 | 33% |
| Renewable Energy | 1 | 33% |
| Energy Efficiency | 1 | 33% |

6 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 2 | 67% |
| Venture - Series Unknown | 1 | 33% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 2 | 67% |
| United Kingdom | 1 | 33% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Highview Power | Founded in 2005, Highview Power Storage is a developer of large-scale energy storage solutions for utility and distributed power systems. Using liquid air as the storage medium, Highview can design bespoke Liquid Air Energy Storage (LAES) plants ranging from 5MW/20MWh to 100MW/1,000MWh+ to service a growing multi billion dollar market. | $383.9M | Venture - Series Unknown | Jun 12, 2024 |  |
| Rondo Energy | Rondo Energy delivers zero-carbon industrial heat. Rondo Heat Battery powers industrial processes with renewable electricity, cutting energy costs and eliminating emissions. | $60M | Series B | Aug 16, 2023 |  |
| Electric Hydrogen | Decarbonizing the physical world | $198M | Series B | Jun 22, 2022 |  |

3 of 3 investments shown.

## Co-investors
- [Energy Impact Partners](https://shizune.co/investors/profile/energy-impact-partners) — VC Fund, 2 deals together
- [Aramco Ventures](https://shizune.co/investors/profile/aramco-ventures) — VC Fund, 1 deal together
- [Breakthrough Energy Ventures](https://shizune.co/investors/profile/breakthrough-energy-ventures) — VC Fund, 1 deal together
- [Capricorn Partners](https://shizune.co/investors/profile/capricorn-partners) — VC Fund, 1 deal together
- [Centrica](https://shizune.co/investors/profile/centrica) — VC Fund, 1 deal together
- [Climate Pledge Fund](https://shizune.co/investors/profile/climate-pledge-fund) — VC Fund, 1 deal together

## About Rio Tinto

VC Fund · Melbourne, Australia

Rio Tinto is a mining and exploration finding better ways to provide the materials the world needs. Steel is made from iron ore. Aluminum with a low carbon footprint for electric vehicles and smartphones. Copper is used in wind turbines, electric cars, and water pipes in our homes. Borates, which aid crop growth, and titanium, which is used inpaint.

5 contacts available at Rio Tinto.

| Name | Title | Profile |
| --- | --- | --- |
| Bold Baatar | Chief Commercial Officer | https://shizune.co/investors/profile/bold-baatar |
| Chris Salisbury | Managing Director | https://shizune.co/investors/profile/chris-salisbury-2 |
| Nigel Steward | Chief Scientist | https://shizune.co/investors/profile/nigel-steward-908f |
| David Tull | Manager Industrial Relations | https://shizune.co/investors/profile/david-tull |
| Georgie Bezette | Chief People Officer | https://shizune.co/investors/profile/georgie-bezette |

## Similar investors

### Similar stage
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund
- [FJ Labs](https://shizune.co/investors/profile/fj-labs) — VC Fund

## FAQ

### What does Nigel Steward invest in?

Nigel Steward invests primarily in Energy, Logistics and Manufacturing startups, most often at Series B and Venture - Series Unknown stage. Most of the 3 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Nigel Steward last invest?

The most recent investment recorded for Nigel Steward closed in Jun 2024. 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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