# Kenneth Braithwaite

> Kenneth Braithwaite is a Series A investor at Summa Equity backing Fuel and Aerospace. See 5 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Summa Equity](https://shizune.co/investors/profile/summa-equity)
- Location: Chadds Ford, United States
- Total investments: 5
- Last investment: Dec 2025
- Lead investor: 20%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/ambassador-kenneth-j-%E2%80%9Ckj%E2%80%9D-braithwaite-ba390511/
- Website: https://x.com/77thSecNav
- Facebook: https://www.facebook.com/badam.r.1

Kenneth Braithwaite is a Series A investor at Summa Equity in Chadds Ford focused on Fuel and Aerospace. Kenneth J. Braithwaite is based out of Chadds Ford, Pennsylvania and is the Senior Advisor of Summa Equity and also Board of Directors of Rajant Corporation. Kenneth previously worked at Vizient as a Regional Chief Executive Officer and Corporate Group Senior Vice President. Kenneth J. Braithwaite attended the University of Pennsylvania.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Fuel | 1 | 20% |
| Aerospace | 1 | 20% |
| CleanTech | 1 | 20% |
| Industrial | 1 | 20% |
| Clean Energy | 1 | 20% |

6 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 1 | 20% |
| Series B | 1 | 20% |
| Series C | 1 | 20% |
| Funding Round | 1 | 20% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| ZeroAvia | ZeroAvia provides hydrogen-electric propulsion systems designed to eliminate aviation emissions while maintaining operational efficiency. The company focuses on scalable technologies that can retrofit existing aircraft and support sustainable aviation. By partnering with various stakeholders, ZeroAvia aims to revolutionize the aviation industrywith cleaner, more efficient flight options. |  |  | Dec 22, 2025 |  |
| ZeroAvia | ZeroAvia provides hydrogen-electric propulsion systems designed to eliminate aviation emissions while maintaining operational efficiency. The company focuses on scalable technologies that can retrofit existing aircraft and support sustainable aviation. By partnering with various stakeholders, ZeroAvia aims to revolutionize the aviation industrywith cleaner, more efficient flight options. | $116M | Series C | Sep 18, 2023 |  |
| ZeroAvia | ZeroAvia provides hydrogen-electric propulsion systems designed to eliminate aviation emissions while maintaining operational efficiency. The company focuses on scalable technologies that can retrofit existing aircraft and support sustainable aviation. By partnering with various stakeholders, ZeroAvia aims to revolutionize the aviation industrywith cleaner, more efficient flight options. | $35M | Series B | Dec 13, 2021 |  |
| ZeroAvia | ZeroAvia provides hydrogen-electric propulsion systems designed to eliminate aviation emissions while maintaining operational efficiency. The company focuses on scalable technologies that can retrofit existing aircraft and support sustainable aviation. By partnering with various stakeholders, ZeroAvia aims to revolutionize the aviation industrywith cleaner, more efficient flight options. | $13M |  | Jun 29, 2021 |  |
| ZeroAvia | ZeroAvia provides hydrogen-electric propulsion systems designed to eliminate aviation emissions while maintaining operational efficiency. The company focuses on scalable technologies that can retrofit existing aircraft and support sustainable aviation. By partnering with various stakeholders, ZeroAvia aims to revolutionize the aviation industrywith cleaner, more efficient flight options. | $13M | Series A | Jun 29, 2021 |  |

5 of 5 investments shown.

## Co-investors
- [AP Ventures](https://shizune.co/investors/profile/ap-ventures) — VC Fund, 5 deals together
- [Horizons Ventures](https://shizune.co/investors/profile/horizons-ventures) — VC Fund, 5 deals together
- [Breakthrough Energy Ventures](https://shizune.co/investors/profile/breakthrough-energy-ventures) — VC Fund, 4 deals together
- [Climate Pledge Fund](https://shizune.co/investors/profile/climate-pledge-fund) — VC Fund, 4 deals together
- [Barclays](https://shizune.co/investors/profile/barclays-7c03) — VC Fund, 3 deals together
- [Shell Ventures](https://shizune.co/investors/profile/shell-technology-ventures) — VC Fund, 3 deals together

## About Summa Equity

VC Fund · Stockholm, Sweden

Summa Equity was founded in 2016 by an experienced group of people that have a long track record from investing in successful companies. The group was brought together by a shared view of the world and the economy, and a passion for developing companies that can outperform through providing products and services needed to meet the increasingdemands and complexities our societies face.We are thematically oriented investors with extensive experience from the markets that we focus on. We target proven companies where we see a significant potential to achieve strong growth through investments in technology, development of the organisation, new products and services, consolidation, or through internationalisation of the business. We focus on companies with strong niche positions operating in sectors that benefit from strong underlying megatrends. We are active in assisting our companies in creating strong financial value, whilst acting responsibly and contributing to a broader set of stakeholders.

5 contacts available at Summa Equity.

| Name | Title | Profile |
| --- | --- | --- |
| Birger Steen | Principal | https://shizune.co/investors/profile/birger-steen |
| Hans Cobben | Principal | https://shizune.co/investors/profile/hans-cobben |
| Kenneth Braithwaite | Senior Advisor | https://shizune.co/investors/profile/kenneth-braithwaite |
| Reynir Indahl | Founder and Managing Partner | https://shizune.co/investors/profile/reynir-indahl |
| Tommi Unkuri | Partner | https://shizune.co/investors/profile/tommi-unkuri |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

## FAQ

### What does Kenneth Braithwaite invest in?

Kenneth Braithwaite invests primarily in Fuel, Aerospace and CleanTech startups, most often at Series A and Series B stage. Most of the 5 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 Kenneth Braithwaite last invest?

The most recent investment recorded for Kenneth Braithwaite closed in Dec 2025. Shizune tracks 5 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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