# Tom Werner

> Tom Werner is a Series A investor at Wolfspeed (San Jose) backing Energy and Renewable Energy. See 6 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Wolfspeed](https://shizune.co/investors/profile/cree)
- Location: San Jose, United States
- Total investments: 6
- Last investment: Oct 2025
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/tom-werner-sunpower/

Tom Werner is a Series A investor at Wolfspeed in San Jose focused on Energy and Renewable Energy. Tom Werner serves as SunPower’s CEO and chairman of the SunPower board of directors. Prior to joining SunPower, he held the position of chief executive officer of Silicon Light Machines, Inc., an optical solutions subsidiary of Cypress Semiconductor Corporation. Previously, Werner was vice president and general manager of the Business ConnectivityGroup of 3Com Corp., a network solutions company, and has also held a number of executive management positions at Oak Industries, Inc. and General Electric Co. He currently serves as a board member of Cree, Inc., Silver Spring Networks, Silicon Valley Leadership Group, and is a member of the Marquette University board of trustees. Werner holds a bachelor's degree in industrial engineering from the University of Wisconsin, Madison, a bachelor's degree in electrical engineering from Marquette University and a master's degree in business administration from George Washington University.

## Round sizes

| Stage | Round size |
| --- | --- |
| Series A | $6M–$50M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 2 | 33% |
| Renewable Energy | 2 | 33% |
| Artificial Intelligence | 2 | 33% |
| Apps | 1 | 17% |
| Solar | 1 | 17% |

14 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 3 | 50% |
| Seed | 1 | 17% |
| Funding Round | 1 | 17% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Wolf Games | Wolf Games is a creative and technological firm that specializes in generative gaming and provides players with unprecedented autonomy. | $9M | Series A | Oct 22, 2025 |  |
| Tandem PV | Mechanically-stacked perovskite+silicon tandem solar panels provide a unique opportunity for solar to reach new heights | $50M | Series A | Mar 04, 2025 |  |
| Rock Rabbit | Rock Rabbit is an AI-powered energy rebate platform that makes access to home incentives more transparent and efficiently distributed through an integrated platform and a multi-sided app. | $3.1M | Seed | Feb 22, 2024 |  |
| Tandem PV | Mechanically-stacked perovskite+silicon tandem solar panels provide a unique opportunity for solar to reach new heights | $6M |  | Jan 16, 2024 |  |
| Tandem PV | Mechanically-stacked perovskite+silicon tandem solar panels provide a unique opportunity for solar to reach new heights | $6M | Series A | Jan 16, 2024 |  |
| Kevala | Founded in 2014, Kevala is a data and analytics company that specializes in delivering actionable grid intelligence. We help decision makers at the forefront of decarbonization predict and plan for a more robust, environmentally sustainable, effective, and safe grid with our cloud-based data analytics and visualization platform. Kevala leveragesdeep subject matter expertise across the entire energy value chain to expand insights from our platform, accelerate workflow integration, and position results to lead to successful strategic outcomes. Kevala is trusted by governments, utilities, and industry with the most sensitive critical infrastructure, market, and address-specific electric consumption and production data.We are a team of scientists, engineers, and energy wonks, inspired to usher in a cleaner future for the energy economy. Kevala's founder, Aram, worked in the heart of these emerging technologies and energy markets as an economist — and saw a clear path to an electrified world served by a more robust, environmentally sustainable, and effective power grid that took full advantage of new distributed energy and storage and revealed ways to best integrate this with the current, evolving reality. The principle of creating a better future by mapping mutual energy sources and systems is the foundation for everything we do. | $21M | Series A | Aug 31, 2021 |  |

6 of 6 investments shown.

## Co-investors
- [Planetary Technologies](https://shizune.co/investors/profile/planetary-technologies) — VC Fund, 3 deals together
- [Uncorrelated Ventures](https://shizune.co/investors/profile/uncorrelated-ventures) — VC Fund, 3 deals together
- [Better Ventures](https://shizune.co/investors/profile/better-ventures) — VC Fund, 1 deal together
- [Beyond Earth Ventures](https://shizune.co/investors/profile/beyond-earth-technologies) — VC Fund, 1 deal together
- [C5 Capital](https://shizune.co/investors/profile/c5-capital) — VC Fund, 1 deal together
- [Constellation Energy](https://shizune.co/investors/profile/constellation-energy) — VC Fund, 1 deal together

## About Wolfspeed

VC Fund · Durham, United States

Wolfspeed is the transformation from silicon to Silicon Carbide (SiC) and GaN as they shape the future of semiconductor markets. They are driving the transition to electric vehicles, the move to faster 5G networks, the evolution of renewable energy and energy storage, and the advancement of industrial applications.

5 contacts available at Wolfspeed.

| Name | Title | Profile |
| --- | --- | --- |
| Alan J. Ruud | Director and Vice Chairman | https://shizune.co/investors/profile/alan-j-ruud |
| Brenda Castonguay | VP - Administration | https://shizune.co/investors/profile/brenda-castonguay |
| Clyde R. Hosein | Director | https://shizune.co/investors/profile/clyde-r-hosein |
| Elif Balkas | Chief Technology Officer | https://shizune.co/investors/profile/elif-balkas-2b23 |
| Jeffrey Casady | Senior Marketing Director | https://shizune.co/investors/profile/jeffrey-casady |

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## FAQ

### What does Tom Werner invest in?

Tom Werner invests primarily in Energy, Renewable Energy and Artificial Intelligence startups, most often at Series A and Seed stage. Most of the 6 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 Tom Werner's check size?

Tom Werner typically joins rounds of $6M–$50M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Tom Werner participates in.

### When did Tom Werner last invest?

The most recent investment recorded for Tom Werner closed in Oct 2025. Shizune tracks 6 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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