# Thomas Steyer

> Thomas Steyer is a seed investor at Galvanize Climate Solutions backing Software. See 18 investments, check sizes, portfolio and contact details. Updated Oct…

- Type: Angel Investor
- Fund: [Galvanize Climate Solutions](https://shizune.co/investors/profile/galvanize-climate-solutions)
- Location: San Francisco, United States
- Total investments: 18
- Last investment: Aug 2026
- Lead investor: 33%
- Last updated: Oct 2026
- LinkedIn: https://www.linkedin.com/in/tomsteyer
- X (Twitter): https://twitter.com/TomSteyer
- Website: https://nextgenclimate.org/about-us/tom-steyer/
- Facebook: https://www.facebook.com/officialtomsteyer/

Thomas Steyer is a seed investor at Galvanize Climate Solutions in San Francisco focused on Software and Information Technology. Thomas Fahr Steyer is based out of San Francisco, California and is the Co-founder of Beneficial State Bank. Thomas previously worked at Galvanize Climate Solutions as a Co-Executive Chair and Co-founder. Thomas Fahr Steyer attended the Stanford University Graduate School of Business. Thomas Fahr Steyer has been received the Phillip Burton PublicService Award of Consumer Watchdog (2011), the Environmental Leadership Award of the California League of Conservation Voters (2012), and the Environmental Achievement Award.

## Contacts

5 contacts available for Thomas Steyer: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/tom-steyer?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.3M–$17M |
| Pre-Seed | $1.1M–$2.3M |
| Series B | $20M–$50M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 5 | 28% |
| Information Technology | 4 | 22% |
| AgTech | 2 | 11% |
| Energy | 2 | 11% |
| Farming | 2 | 11% |

43 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 6 | 33% |
| Series B | 4 | 22% |
| Pre-Seed | 3 | 17% |
| Series A | 3 | 17% |
| Series C | 1 | 6% |

6 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 14 | 78% |
| Australia | 1 | 6% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Emerald AI | Emerald AI creates a platform that enables AI data centers to adjust power consumption from electricity grids dynamically. This system orchestrates computing loads across data centers to bolster grid reliability. The technology aims to advance AI innovation while ensuring power affordability and electric system stability. | $150M | Series A | Aug 25, 2026 | https://www.emeraldai.co |
| Quilt | Quilt's mission is to move humanity off fossil fuel heating, starting with the home. 20% of US global warming emissions come from homes (that’s more than cars!). The largest driver of home emissions is burning fossil fuels for heat. Quilt's first product is a next generation heating and cooling system that makes homes more comfortable,healthier and more efficient, based on all-electric heat pump technology. | $20M | Series B | Dec 08, 2025 | https://www.quilt.com/ |
| GridCARE | GridCARE provides energy security and resilience at a never-before-seen pace, making it the indispensable one-stop power solution for AI data centers. | $13.5M | Seed | May 27, 2025 | https://www.gridcare.ai |
| Northwind Climate | Northwind Climate is a data-driven SaaS platform delivers proprietary business intelligence to companies to help maximize the return on their climate tech and sustainability investments. | $1.1M | Pre-Seed | Apr 01, 2025 | https://northwindclimate.com/ |
| Sightline Climate | Sightline Climate is a market intelligence platform that provides data-driven insights as well as tactical intelligence on climate change. | $5.5M | Seed | Jan 27, 2025 | https://www.sightlineclimate.com/ |
| Quilt | Quilt's mission is to move humanity off fossil fuel heating, starting with the home. 20% of US global warming emissions come from homes (that’s more than cars!). The largest driver of home emissions is burning fossil fuels for heat. Quilt's first product is a next generation heating and cooling system that makes homes more comfortable,healthier and more efficient, based on all-electric heat pump technology. | $33M | Series A | Apr 16, 2024 | https://www.quilt.com/ |
| Divergent | Divergent has created the world's first end-to-end software-hardware production system for industrial digital manufacturing – the Divergent Adaptive Production System (DAPS™) – allowing customers to design, additively manufacture, and automatically assemble complex structures for automotive, aerospace, and defense applications. DAPS transformsthe economics and environmental impact of manufacturing complex structures for vehicles of all types by optimizing designs, dematerializing structures, and eliminating upfront capex. | $230M | Series D | Nov 13, 2023 | http://www.divergent3d.com/ |
| Plotlogic | We are Plotlogic, one of the world’s most innovative mining technology companies. | $28M | Series B | Jul 30, 2023 | https://www.plotlogic.com/ |
| CTVC | CTVC operates as a newsletter powered by Sightline Climate. | $1.8M | Seed | May 19, 2023 | https://www.ctvc.co/ |
| Vibrant Planet | Vibrant Planet provides land management services and technology solutions to accelerate land restorations. The company collaborates with scientists, land management leaders, and policymakers to build a cloud-based system that informs and facilitates collaborative planning.Vibrant Planet was founded in 2004 by Allison Wolff and is based in InclineVillage, Nevada. | $17M | Seed | Jun 23, 2022 | https://www.vibrantplanet.net/ |

10 of 18 investments shown.

## Co-investors
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund, 3 deals together
- [Gradient](https://shizune.co/investors/profile/gradient-ventures) — VC Fund, 3 deals together
- [Main Sequence Ventures](https://shizune.co/investors/profile/main-sequence-ventures) — VC Fund, 3 deals together
- [Accelr8](https://shizune.co/investors/profile/accelr8) — VC Fund, 2 deals together
- [Energy Impact Partners](https://shizune.co/investors/profile/energy-impact-partners) — VC Fund, 2 deals together
- [Incite Ventures](https://shizune.co/investors/profile/incite-ventures) — VC Fund, 2 deals together

## About Galvanize Climate Solutions

VC Fund · San Francisco, United States

Galvanize Climate Solutions provide the capital, and partnerships necessary to produce and scale vital and urgent climate solutions.

5 contacts available at Galvanize Climate Solutions.

| Name | Title | Profile |
| --- | --- | --- |
| M. Cliff Ryan, Jr | Partner | https://shizune.co/investors/profile/m-cliff-ryan-jr |
| Alexander Munoz | Vice President of Asset Management | https://shizune.co/investors/profile/alexander-munoz-022f |
| Kathryn Hall | Co-Executive Chair and Co-founder | https://shizune.co/investors/profile/kathryn-hall-6aca |
| Katie Hall | CEO & Co-Executive Chair | https://shizune.co/investors/profile/katie-hall-0995 |
| Veery Maxwell | Partner | https://shizune.co/investors/profile/veery-maxwell |

## Similar investors

### Similar industry
- [SVG Ventures](https://shizune.co/investors/profile/svg-ventures) — VC Fund
- [SOSV](https://shizune.co/investors/profile/sosv) — VC Fund
- [Omnivore](https://shizune.co/investors/profile/omnivore-partners) — VC Fund

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

### Similar country
- [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
- [SV Angel](https://shizune.co/investors/profile/sv-angel) — VC Fund

## Featured in investor lists
- [Renewable Energy Angel Investors in United States](https://shizune.co/investors/renewable-energy-angel-investors-united-states)
- [CleanTech Angel Investors in United States](https://shizune.co/investors/cleantech-angel-investors-united-states)
- [Agriculture (agtech) Angel Investors in United States](https://shizune.co/investors/agriculture-agtech-angel-investors-united-states)

## FAQ

### What does Thomas Steyer invest in?

Thomas Steyer invests primarily in Software, Information Technology and AgTech startups, most often at Seed and Series B stage. Most of the 18 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Thomas Steyer's check size?

Thomas Steyer typically joins rounds of $1.3M–$17M at Seed, $1.1M–$2.3M at Pre-Seed and $20M–$50M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Thomas Steyer participates in.

### How do I contact Thomas Steyer?

Public channels for Thomas Steyer include LinkedIn, X (Twitter) 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.

### When did Thomas Steyer last invest?

The most recent investment recorded for Thomas Steyer closed in Aug 2026. Shizune tracks 18 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co