# Ben Fitzgerald

> Ben Fitzgerald is a pre-seed investor at Rebellion Defense backing Machine Learning. See 6 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Rebellion Defense](https://shizune.co/investors/profile/rebellion-defense)
- Location: Washington, United States
- Total investments: 6
- Last investment: Feb 2024
- Lead investor: 67%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/ben-fitzgerald-32ab483/

Ben Fitzgerald is a pre-seed investor at Rebellion Defense in Washington focused on Machine Learning and Artificial Intelligence. Ben Fitzgerald is the Chief Executive Officer of Rebellion Defense. He previously worked at Office of the Secretary of Defense as an Executive Director, Strategy, Data, and Design.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Machine Learning | 2 | 33% |
| Artificial Intelligence | 2 | 33% |
| Art | 1 | 17% |
| Big Data | 1 | 17% |
| Security | 1 | 17% |

11 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Pre-Seed | 2 | 33% |
| Series B | 2 | 33% |
| Seed | 1 | 17% |
| Series A | 1 | 17% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Synthetaic | Synthetaic is a Delafield, Wisconsin-based company that grows large and high-quality datasets sufficient for machine learning. The company is able to extend AI into industries where data constraints have prevented previous applications of the technology. By focusing specifically on synthetic image data, which is more challenging to produce thancolumnar data, Synthetaic is able to address particularly high-stakes use cases.Through a collaboration with the University of Michigan, Synthetaic is developing a real-time tumor classification AI system that would assist surgeons in identifying what type of brain cancer is present while performing surgery. By combining high-fidelity 3D modeling and novel generative AI with germane, integrated modeling workflows, they deliver an end-to-end pipeline that ensures ultra-high accuracy.Synthetaic was founded in 2019 and is headquartered in Delafield, WI, USA. | $15M | Series B | Feb 06, 2024 |  |
| Synthetaic | Synthetaic is a Delafield, Wisconsin-based company that grows large and high-quality datasets sufficient for machine learning. The company is able to extend AI into industries where data constraints have prevented previous applications of the technology. By focusing specifically on synthetic image data, which is more challenging to produce thancolumnar data, Synthetaic is able to address particularly high-stakes use cases.Through a collaboration with the University of Michigan, Synthetaic is developing a real-time tumor classification AI system that would assist surgeons in identifying what type of brain cancer is present while performing surgery. By combining high-fidelity 3D modeling and novel generative AI with germane, integrated modeling workflows, they deliver an end-to-end pipeline that ensures ultra-high accuracy.Synthetaic was founded in 2019 and is headquartered in Delafield, WI, USA. | $13M | Series A | Mar 14, 2022 |  |
| blockchain.art | BCA’s user-friendly platform answers the call for an industry-wide protocol for transacting digital art formats; one that will ensure provenance, verify uniqueness and enforce terms for artist resale royalties. Buy and sell with fiat currency on the BCA Marketplace or through your own domain. BCA will design, implement, and maintain the world’sfirst blockchain that is dedicated to the fine art community. This blockchain is being built with the next-generation technologies from the Polkadot Network ecosystem, which uses a proof-of-stake protocol and provides a host of benefits in terms of security, environment-friendliness, and more. The BCA closed beta is built on RMRK.app, which is an NFT platform on the Kusama Network.As its community grows, BCA will open its governance to the art industry’s stakeholders — artists, galleries, museums, and institutions — to run the technical infrastructure with nodes and as validators within the network. We believe this will help foster the growth of the digital art market while adapting faster to its needs. | $300K | Pre-Seed | May 19, 2021 |  |
| Synthetaic | Synthetaic is a Delafield, Wisconsin-based company that grows large and high-quality datasets sufficient for machine learning. The company is able to extend AI into industries where data constraints have prevented previous applications of the technology. By focusing specifically on synthetic image data, which is more challenging to produce thancolumnar data, Synthetaic is able to address particularly high-stakes use cases.Through a collaboration with the University of Michigan, Synthetaic is developing a real-time tumor classification AI system that would assist surgeons in identifying what type of brain cancer is present while performing surgery. By combining high-fidelity 3D modeling and novel generative AI with germane, integrated modeling workflows, they deliver an end-to-end pipeline that ensures ultra-high accuracy.Synthetaic was founded in 2019 and is headquartered in Delafield, WI, USA. | $1M | Pre-Seed | Oct 20, 2020 |  |
| Synthetaic | Synthetaic is a Delafield, Wisconsin-based company that grows large and high-quality datasets sufficient for machine learning. The company is able to extend AI into industries where data constraints have prevented previous applications of the technology. By focusing specifically on synthetic image data, which is more challenging to produce thancolumnar data, Synthetaic is able to address particularly high-stakes use cases.Through a collaboration with the University of Michigan, Synthetaic is developing a real-time tumor classification AI system that would assist surgeons in identifying what type of brain cancer is present while performing surgery. By combining high-fidelity 3D modeling and novel generative AI with germane, integrated modeling workflows, they deliver an end-to-end pipeline that ensures ultra-high accuracy.Synthetaic was founded in 2019 and is headquartered in Delafield, WI, USA. | $3.5M | Seed | Oct 20, 2020 |  |
| percipient.ai | Percipient.ai is a provider of an artificial intelligence advanced analytics platform designed to provide solutions for Intelligence and U.S. National Security. The company's products offer geo-correlated multi-source intelligence using computer vision to accelerate understanding of unstructured data at speed and scale, providing its clientswith human and machine teaming in time-sensitive missions and global business environments. | $19.5M | Series B | Oct 01, 2019 |  |

6 of 6 investments shown.

## Co-investors
- [Betaworks](https://shizune.co/investors/profile/betaworks) — VC Fund, 4 deals together
- [TitletownTech](https://shizune.co/investors/profile/titletowntech) — VC Fund, 4 deals together
- [Betaworks Ventures](https://shizune.co/investors/profile/betaworks-ventures) — VC Fund, 3 deals together
- [IBM Ventures](https://shizune.co/investors/profile/ibm-ventures) — VC Fund, 3 deals together
- [Booz Allen Hamilton](https://shizune.co/investors/profile/booz-allen-hamilton) — VC Fund, 2 deals together
- [AlleyCorp](https://shizune.co/investors/profile/alleycorp) — VC Fund, 1 deal together

## About Rebellion Defense

VC Fund · Washington, United States

Rebellion Defense turns data into a decision advantage, developing advanced software to stay ahead of national security threats. It equips warfighters with cutting-edge capabilities to detect, deter, and outpace adversaries at speed and scale by combining private-sector tech experts with defense veterans. Their mission is to build transformativetechnology for defense and national security.

5 contacts available at Rebellion Defense.

| Name | Title | Profile |
| --- | --- | --- |
| Ben Fitzgerald | Chief Executive Officer | https://shizune.co/investors/profile/ben-fitzgerald |
| Aaron Wieczorek | Senior Software Engineer | https://shizune.co/investors/profile/aaron-wieczorek |
| Chris Davis | Engineering Manager, Integration | https://shizune.co/investors/profile/chris-davis-b9d0 |
| Chris Lynch | Co-Founder | https://shizune.co/investors/profile/chris-lynch-2 |
| Eric Schoonover | Head of Engineering | https://shizune.co/investors/profile/eric-schoonover |

## Similar investors

### Similar stage
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- [Everywhere Ventures](https://shizune.co/investors/profile/everywhere-ventures) — VC Fund

## FAQ

### What does Ben Fitzgerald invest in?

Ben Fitzgerald invests primarily in Machine Learning, Artificial Intelligence and Art startups, most often at Pre-Seed and Series B 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.

### When did Ben Fitzgerald last invest?

The most recent investment recorded for Ben Fitzgerald closed in Feb 2024. 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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