# Impact Science Ventures

> Impact Science Ventures is a VC fund backing Energy and Chemical. See 23 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: San Francisco, United States
- Total investments: 23
- Last investment: Jul 2026
- Lead investor: 0%
- Last fund: Oct 2021
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/impactsciencevc/
- Website: https://www.impactscience.vc/

Impact Science Ventures is a VC fund in San Francisco focused on Energy and Chemical. Impact Science Ventures invests in fundamental scientific breakthroughs by leading innovators to solve the industry's problems in impact sectors.

## Contacts

5 contacts available for Impact Science Ventures. Shizune tracks 1 team members at Impact Science Ventures. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/impact-science-venture?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 4 | 17% |
| Chemical | 4 | 17% |
| Clean Energy | 3 | 13% |
| Manufacturing | 3 | 13% |
| Sustainability | 3 | 13% |

38 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 8 | 35% |
| Series A | 7 | 30% |
| Pre-Seed | 2 | 9% |
| Funding Round | 2 | 9% |
| Series B | 1 | 4% |

7 stages tracked in total.

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Michelle Kiang | Managing Partner and Co-Founder | 0 | — |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Antora Energy | Antora Energy delivers zero-carbon industrial heat and power to heavy industries that are more reliable than fossil fuels. Antora’s thermal energy storage soaks up excess solar and wind electricity and uses it to heat blocks of carbon so they glow like inside a toaster. | $550M | Series C | Jul 30, 2026 |  |
| FAST Metals | FAST Metals is focused on developing innovative methods for the recovery and production of a range of valuable metals, including iron, aluminum, scandium, titanium, and rare earth elements. | $4.3M | Pre-Seed | Jul 29, 2026 |  |
| Sepion Technologies | Sepion is an advanced membrane company offering a platform suite of highly-tunable nanoscale membranes for multiple industrial markets. The company was founded in 2015 and is based in Emeryville, California, United States. | $10M | Series B | Mar 26, 2026 |  |
| Fervo Energy | Fervo Energy is a next-generation geothermal developer generating clean power in new places. Fervo Energy commercializes proprietary technology to own, develop, and operate geothermal assets as the dispatchable foundation to a 100% clean energy future. | $462M | Series E | Dec 10, 2025 |  |
| Vycarb | Vycarb is a Brooklyn-based firm that enables decentralized carbon removal through real-time, autonomous, and direct detection of CO2 in water. | $5M | Seed | Oct 06, 2025 |  |
| Still Bright | Still Bright has discovered transformative reaction chemistry to enable the rapid, clean, and complete recovery of copper. | $18.7M | Seed | Jul 30, 2025 |  |
| Copernic Catalysts | Copernic Catalysts develops sustainable chemical catalysts and processes. | $8M | Seed | Nov 12, 2024 |  |
| Aralez Bio | Aralez Bio uses engineered enzymes to make valuable products in a sustainable way.The company has invented a novel enzymatic method for synthesizing noncanonical amino acids (ncAAs) also called unusual or unnatural amino acids. Its proprietary approach enables over 100 ncAAs to be synthesized with perfect enantiopurity in just a single step, withwater as the only byproduct | $12M | Series A | Oct 29, 2024 |  |
| Turnover Labs | Turnover Labs strives to decarbonize the chemical production business and transform how the world generates petrochemicals. | $1.4M | Pre-Seed | Oct 22, 2024 |  |
| SirenOpt | SirenOpt is accelerating sustainable and smart manufacturing of advanced materials using intelligent characterization and real-time decision-making to drive the creation of innovative, high-performance products that fuel the advancement of society. SirenOpt was founded in 2022 as a spin-out from the UC Berkeley Chemical Engineering Department.SirenOpt is pioneering a paradigm shift in advanced materials characterization by leveraging cold atmospheric plasma, machine learning and predictive analytics to non-destructively create a uniquely distinctive, multifaceted material fingerprint in real-time. SirenOpt transforms measurement blind spots into rich multi-layered material insights, which enable intelligent performance-centric decision-making. SirenOpt thus accelerates R&D and process optimization, enhances product performance, and delivers higher production quality to maximize value in both in-line and off-line applications. SirenOpt’s manufacturing intelligence platform has demonstrated use cases across battery, aerospace, semiconductor, electronic and many other advanced manufacturing segments in both inline production and offline tool deployments. | $6.6M | Seed | Jul 23, 2024 |  |

10 of 23 investments shown.

## Co-investors
- [Lowercarbon Capital](https://shizune.co/investors/profile/lowercarbon-capital) — VC Fund, 5 deals together
- [Breakthrough Energy Ventures](https://shizune.co/investors/profile/breakthrough-energy-ventures) — VC Fund, 4 deals together
- [Azolla Ventures](https://shizune.co/investors/profile/azolla-ventures) — VC Fund, 3 deals together
- [Good Growth Capital](https://shizune.co/investors/profile/good-growth-capital) — VC Fund, 3 deals together
- [Trust Ventures](https://shizune.co/investors/profile/trust-ventures) — VC Fund, 3 deals together
- [BHP Ventures](https://shizune.co/investors/profile/bhp-ventures) — VC Fund, 2 deals together

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## FAQ

### What does Impact Science Ventures invest in?

Impact Science Ventures invests primarily in Energy, Chemical and Clean Energy startups, most often at Seed and Series A stage. Most of the 23 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Impact Science Ventures?

Public channels for Impact Science Ventures include LinkedIn and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at Impact Science Ventures?

The team at Impact Science Ventures includes Michelle Kiang (Managing Partner and Co-Founder). The Team section lists each member with their title, investment count and links.

### 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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