# Francis O'Sullivan

> Francis O'Sullivan is a Series C investor at S2G Investments backing Energy and Renewable Energy. See 8 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [S2G Investments](https://shizune.co/investors/profile/s2g-ventures)
- Location: Boston, United States
- Total investments: 8
- Last investment: Jun 2025
- Lead investor: 75%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/francis-o-sullivan-5742136

Francis O'Sullivan is a Series C investor at S2G Investments in Boston focused on Energy and Renewable Energy. Francis O'Sullivan is the Board Member of LineVision. Francis O'Sullivan is a Managing Director at S2G Ventures. Francis previously worked at Ørsted as a Senior Vice President for Strategy at Orsted Onshore North America. He attended the Massachusetts Institute of Technology.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 3 | 38% |
| Renewable Energy | 3 | 38% |
| Solar | 2 | 25% |
| Analytics | 2 | 25% |
| Clean Energy | 2 | 25% |

19 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series C | 3 | 38% |
| Funding Round | 2 | 25% |
| Series A | 1 | 13% |
| Series B | 1 | 13% |
| Venture - Series Unknown | 1 | 13% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 6 | 75% |
| Ireland | 1 | 13% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Sojo Industries | Sojo Industries is an industrial automation business that caters to the food and beverage industries. It was founded in 2021 and is based in Bristol, Pennsylvania. | $40M | Series B | Jun 12, 2025 |  |
| Alliance North America | Alliance North America is a manufacturer and distributor of AIRMAN air compressors and generators and MAC3 air tools. Their MAC3 chipping hammers are the perfect partner to remove tiles, refurbish brick walls, renovate concrete floors, renovate pools, break rock in tunnels or mines, and build bridge decks. They provide diesel generators and aircompressors. | $50M | Series A | Feb 11, 2025 |  |
| XOCEAN | XOCEAN provides comprehensive ocean data solutions through uncrewed surface vessels (USVs), specializing in seabed mapping and environmental monitoring. The company offers a turnkey service that includes data acquisition, processing, and interpretation, ensuring high-quality results for clients in the offshore industry. |  |  | Jan 09, 2025 |  |
| XOCEAN | XOCEAN provides comprehensive ocean data solutions through uncrewed surface vessels (USVs), specializing in seabed mapping and environmental monitoring. The company offers a turnkey service that includes data acquisition, processing, and interpretation, ensuring high-quality results for clients in the offshore industry. | $118.4M | Series C | Jan 09, 2025 |  |
| REsurety | REsurety is a provider of risk management products to the buyers and sellers of clean energy. It empowers the clean energy-fueled future through better risk management. It works at the intersection of physical science, big data, and financial engineering to help our clients understand and mitigate the risks in buying and selling energy fromrenewable, intermittent fuel sources.It was founded in 2012 and is headquartered in Boston, Massachusetts. | $32M | Series C | Oct 15, 2024 |  |
| 38 Degrees North | 38 Degrees North is a renewable energy firm that provides solar, utility-scale, battery storage projects, and distributed energy. |  | Venture - Series Unknown | Jan 24, 2024 |  |
| LineVision | LineVision provides electric utilities with the real-time monitoring and analytics needed to secure the future of the grid. LineVision’s patented non-contact sensors collect critical information to unlock additional capacity on existing lines, provide insight into conductor health, and detect anomalies and risks. LineVision’s platform is rapidlydeployed at scale without the need for scheduled outages, live line work, or specialized installation equipment. LineVision is helping our utility partners around the world lead the energy transition by increasing the capacity, resilience, and safety of the grid. For more information visit: www.LineVisionInc.com | $33M | Series C | Oct 03, 2022 |  |
| Common Energy | Common Energy is an energy company that helps homeowners and businesses support clean energy, reduce emissions in their communities, and save money on their electricity for free by utilizing their existing utility accounts. Common Energy collaborates with project developers and utilities to bring new, local, clean energy projects online. | $16.5M | Venture - Series Unknown | May 10, 2022 |  |

8 of 8 investments shown.

## Co-investors
- [CC Industries](https://shizune.co/investors/profile/cc-industries) — VC Fund, 2 deals together
- [Morgan Stanley](https://shizune.co/investors/profile/morgan-stanley) — VC Fund, 2 deals together
- [Climate Investment](https://shizune.co/investors/profile/ogci-climate-investments) — VC Fund, 2 deals together
- [Angeleno Group](https://shizune.co/investors/profile/angeleno-group) — VC Fund, 1 deal together
- [Citi](https://shizune.co/investors/profile/citigroup) — VC Fund, 1 deal together
- [Clean Energy Ventures](https://shizune.co/investors/profile/clean-energy-ventures-cev) — VC Fund, 1 deal together

## About S2G Investments

VC Fund · Chicago, United States

S2G Investments is a multi-stage investment firm that targets venture and growth-stage businesses in food and agriculture, oceans, and energy sectors. The firm provides capital to businesses shaping the future of food systems and energy resources, aiming for significant sector transitions. S2G Investments assist entrepreneurs and leadership groupsin seeking innovative, market-driven solutions aimed at providing increased value, better results, and superior performance compared to conventional options.

5 contacts available at S2G Investments.

| Name | Title | Profile |
| --- | --- | --- |
| Arthur Chow | Vice President | https://shizune.co/investors/profile/arthur-chow-eab0 |
| Cristina Rohr | Managing Director | https://shizune.co/investors/profile/cristina-rohr |
| Dan Ripma | Vice President | https://shizune.co/investors/profile/dan-ripma |
| Francis O'Sullivan | Managing Director | https://shizune.co/investors/profile/francis-o-sullivan-9694 |
| Grant Leslie | Operating Partner | https://shizune.co/investors/profile/grant-leslie |

## Similar investors

### Similar stage
- [Sequoia Capital](https://shizune.co/investors/profile/sequoia-capital) — VC Fund
- [New Enterprise Associates](https://shizune.co/investors/profile/new-enterprise-associates) — VC Fund
- [Bessemer Venture Partners](https://shizune.co/investors/profile/bessemer-venture-partners) — VC Fund

## FAQ

### What does Francis O'Sullivan invest in?

Francis O'Sullivan invests primarily in Energy, Renewable Energy and Solar startups, most often at Series C and Funding Round stage. Most of the 8 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 Francis O'Sullivan last invest?

The most recent investment recorded for Francis O'Sullivan closed in Jun 2025. Shizune tracks 8 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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