# John Shen

> John Shen is a Series B investor at Sunstone Management (Irvine) backing Energy and Sensor. See 4 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Sunstone Management](https://shizune.co/investors/profile/sunstone-management-inc-067f)
- Location: Irvine, United States
- Total investments: 4
- Last investment: Oct 2020
- Lead investor: 25%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/john-shen-7465081/

John Shen is a Series B investor at Sunstone Management in Irvine focused on Energy and Sensor. John Shen is based out of Irvine, California and is the Chief Executive Officer of American Lending Center. He graduated from Duke University.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 1 | 25% |
| Sensor | 1 | 25% |
| Aerospace | 1 | 25% |
| Health Care | 1 | 25% |
| Biotechnology | 1 | 25% |

16 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 2 | 50% |
| Seed | 1 | 25% |
| Series C | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Seatrec | Seatrec is a clean energy company creating solutions for energy production from temperature differences under the ocean water. Founded in 2012 by CEO, Dr. Yi Chao, Seatrec has developed technology from the NASA Jet Propulsion Laboratory to provide infinite power for oceanographic research equipment including floats and gliders. By implementingSeatrec’s revolutionary technology, researchers can extend the life of the equipment, benefit from significant cost savings, and power more sensors resulting in greater data collection and insights with zero emissions and waste. |  | Seed | Oct 01, 2020 |  |
| Syntiant | Syntiant is moving artificial intelligence and machine learning from the cloud to edge devices. Syntiant’s advanced chip solutions merge deep learning with semiconductor design to produce ultra-low-power, high performance, deep neural network processors for always-on applications in battery-powered devices, such as smartphones, smart speakers,earbuds, hearing aids, and laptops. | $35M | Series C | Aug 04, 2020 |  |
| Lucira Health | Lucira Health is a medical technology company focused on the development and commercialization of transformative and innovative infectious disease test kits. Lucira has developed a testing platform that produces centralized-laboratory-accurate molecular testing in a single-use and consumer-friendly test kit that is powered by two AA batteries andfits in the palm of a hand. Lucira designed its test kits to provide accurate, reliable and on-the-spot molecular test results anywhere and at any time. The LUCIRA COVID-19 All-In-One Test Kit is designed to provide a clinically relevant COVID-19 result within 30 minutes from sample collection. | $15M | Series B | Aug 05, 2019 |  |
| Boom Supersonic | Boom Supersonic is a commercial airplane manufacturer that builds a 65- to 88-seat supersonic airliner.Boom Technology is making supersonic passenger travel into reality by making a supersonic airliner. Boom was founded on the philosophy that they need to overcome the challenges to supersonic passenger flight, not surrender to them. They'remaking a supersonic aircraft affordable for business travel. Their ultimate goal is a routine supersonic flight for everyone.Boom Supersonic is redefining what it means to fly in a commercial aircraft by building Overture, its Mach-2.2. It was founded in 2014 and is based in Englewood, Colorado. | $100M | Series B | Apr 01, 2019 |  |

4 of 4 investments shown.

## Co-investors
- [Applied Ventures](https://shizune.co/investors/profile/applied-ventures) — VC Fund, 2 deals together
- [Seraph Group](https://shizune.co/investors/profile/seraph-group) — VC Fund, 2 deals together
- [Y Combinator](https://shizune.co/investors/profile/y-combinator) — VC Fund, 2 deals together
- [99 Tartans](https://shizune.co/investors/profile/99-tartans) — VC Fund, 1 deal together
- [Alpha Edison](https://shizune.co/investors/profile/alpha-edison) — VC Fund, 1 deal together
- [Atlantic Bridge](https://shizune.co/investors/profile/atlantic-bridge) — VC Fund, 1 deal together

## About Sunstone Management

VC Fund · Long Beach, United States

Sunstone Management (“Sunstone”) is a diversified private capital management and investment firm.

5 contacts available at Sunstone Management.

| Name | Title | Profile |
| --- | --- | --- |
| John Keisler | CEO | https://shizune.co/investors/profile/john-keisler-4c02 |
| Jasmine Jiang | Director of Investment Department | https://shizune.co/investors/profile/jasmine-jiang-36e0 |
| Jennifer Huang | Marketing & Communications Manager | https://shizune.co/investors/profile/jennifer-huang-e3f0 |
| Jing Sun | Associate Vice President | https://shizune.co/investors/profile/jing-sun-ee63 |
| John Shen | Co-Founder | https://shizune.co/investors/profile/john-shen-ca80 |

## 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 John Shen invest in?

John Shen invests primarily in Energy, Sensor and Aerospace startups, most often at Series B and Seed stage. Most of the 4 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 John Shen last invest?

The most recent investment recorded for John Shen closed in Oct 2020. Shizune tracks 4 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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