# Reilly Brennan

> Reilly Brennan is a Series A investor at Trucks Venture Capital backing Software and E-Commerce. See 6 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Trucks Venture Capital](https://shizune.co/investors/profile/trucks-venture-capital)
- Location: San Francisco, United States
- Total investments: 6
- Last investment: Mar 2024
- Lead investor: 17%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/reillybrennan
- X (Twitter): https://twitter.com/reillybrennan
- Website: http://reillybrennan.com/

Reilly Brennan is a Series A investor at Trucks Venture Capital in San Francisco focused on Software and E-Commerce. Reilly P. Brennan is a founding general partner at Trucks, a seed-stage venture capital fund for entrepreneurs changing the future of transportation. His investments include May Mobility, Nauto, nuTonomy, Joby Aviation, Skip and Roadster. He is a board director at Zohr and SEEVA.Reilly holds a teaching appointment at Stanford University, where heteaches every year in the School of Engineering and the d.school. His classes bridge the fields of transportation, design and entrepreneurship. Prior to Trucks, Reilly was Executive Director for Stanford’s automotive research program, Revs.His influential newsletter FoT is a radar for what’s happening in transportation. He was a member of the Le Mans-winning factory Corvette C5-R program. His personal land speed record is 168 mph, behind the wheel of a Chaparral 2E.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 2 | 33% |
| E-Commerce | 2 | 33% |
| B2B | 1 | 17% |
| B2C | 1 | 17% |
| Baby | 1 | 17% |

19 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 3 | 50% |
| Seed | 2 | 33% |
| Pre-Seed | 1 | 17% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 3 | 50% |
| Canada | 1 | 17% |
| United Kingdom | 1 | 17% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Kidsy | Kidsy is an e-commerce platform that offers new and open-box discounted baby and kid clothing and other products. | $1M | Pre-Seed | Mar 28, 2024 |  |
| Treehouse | Treehouse is a software-enabled service for home electrification, starting with turnkey residential EV charging installation in CA and AZ. | $10M | Series A | Aug 09, 2023 |  |
| Stable | Climate is humanity’s gnarliest problem, and we believe every charger has to be part of the solution. With our data-driven insights, we help organizations envision and build tomorrow’s vital infrastructure. Stable is a venture-backed company where intellectual rigor meets automotive industry expertise, and passionate people with practicalexperience are clearing the way to a fully-electric future. | $14M | Series A | Sep 14, 2022 |  |
| Swyft | The B2B marketplace for same-day logistics | $17.4M | Series A | Apr 07, 2021 |  |
| LGN | LGN is a developer of artificial perception technology used to balance and automatically connect the AI system to the sensor array. Its technology reduces capture and processing costs by automatically filtering data to only record and process edge cases and by transferring and storing data in a highly compressed form that enable industries with areduced chip cost and power consumption whilst allowing high-level autonomy on lower-cost commodity sensors. | $1.9M | Seed | Mar 23, 2021 |  |
| Swyft | The B2B marketplace for same-day logistics | $2.3M | Seed | Jun 06, 2020 |  |

6 of 6 investments shown.

## Co-investors
- [Everywhere Ventures](https://shizune.co/investors/profile/everywhere-ventures) — VC Fund, 4 deals together
- [Impellent Ventures](https://shizune.co/investors/profile/impellent-ventures) — VC Fund, 3 deals together
- [Golden Ventures](https://shizune.co/investors/profile/golden-venture-partners) — VC Fund, 2 deals together
- [7percent Ventures](https://shizune.co/investors/profile/7-percent) — VC Fund, 1 deal together
- [Acrew Capital](https://shizune.co/investors/profile/acrew-capital) — VC Fund, 1 deal together
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund, 1 deal together

## About Trucks Venture Capital

VC Fund · San Francisco, United States

Trucks Venture Capital funds the entrepreneurs building the future of transportation.

5 contacts available at Trucks Venture Capital.

| Name | Title | Profile |
| --- | --- | --- |
| Darius Mirshahzadeh | Investor | https://shizune.co/investors/profile/darius-mirshahzadeh |
| Jason Townsend | CFO | https://shizune.co/investors/profile/jason-townsend |
| Jeffrey Schox | Founding Partner | https://shizune.co/investors/profile/jeffrey-schox |
| Kathryn Schox | Founding General Partner | https://shizune.co/investors/profile/kathryn-schox |
| Reilly Brennan | Founding General Partner | https://shizune.co/investors/profile/reilly-brennan |

## 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 Reilly Brennan invest in?

Reilly Brennan invests primarily in Software, E-Commerce and B2B 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.

### When did Reilly Brennan last invest?

The most recent investment recorded for Reilly Brennan closed in Mar 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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