# Charlie Marsh

> Charlie Marsh is a seed investor at Astral (Brooklyn) backing Software and Developer Platform. See 3 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Astral](https://shizune.co/investors/profile/astral-fd88)
- Location: Brooklyn, United States
- Total investments: 3
- Last investment: Sep 2025
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/marshcharles
- X (Twitter): https://twitter.com/charliermarsh
- Website: https://www.crmarsh.com/

Charlie Marsh is a seed investor at Astral in Brooklyn focused on Software and Developer Platform. Charlie Marsh is based out of Brooklyn, New York and is the CEO and Founder of Astral. Charlie previously worked at Spring Discovery as a Staff Software Engineer. Charlie Marsh attended Princeton University.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 3 | 100% |
| Developer Platform | 2 | 67% |
| SaaS | 1 | 33% |
| Developer APIs | 1 | 33% |
| Developer Tools | 1 | 33% |

7 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 2 | 67% |
| Pre-Seed | 1 | 33% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Kernel | Kernel is a developer platform that provides Crazy Fast Browser Infrastructure for AI agents to use the internet. | $6.6M | Seed | Sep 09, 2025 |  |
| Marimo | Marimo is an open-source reactive platform for developers working on Python. | $5M | Seed | Nov 20, 2024 |  |
| MergeStat | MergeStat enables open-source, operational analytics for software engineering teams. | $1.2M | Pre-Seed | Dec 06, 2022 |  |

3 of 3 investments shown.

## Co-investors
- [Accel](https://shizune.co/investors/profile/accel) — VC Fund, 1 deal together
- [AIX Ventures](https://shizune.co/investors/profile/aix-ventures) — VC Fund, 1 deal together
- [Cintrifuse Capital](https://shizune.co/investors/profile/cintrifuse-capital) — VC Fund, 1 deal together
- [OSS Capital L.P.](https://shizune.co/investors/profile/oss-capital-l-p) — VC Fund, 1 deal together
- [Refinery Ventures](https://shizune.co/investors/profile/refinery-ventures) — VC Fund, 1 deal together
- [Y Combinator](https://shizune.co/investors/profile/y-combinator) — VC Fund, 1 deal together

## About Astral

VC Fund · Brooklyn, United States

Astral offers Python developer tools like 'uv' for package management and 'Rye' for project setup and automation.

1 contacts available at Astral.

| Name | Title | Profile |
| --- | --- | --- |
| Charlie Marsh | Founder & CEO | https://shizune.co/investors/profile/charli-marsh |

## 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
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Charlie Marsh invest in?

Charlie Marsh invests primarily in Software, Developer Platform and SaaS startups, most often at Seed and Pre-Seed stage. Most of the 3 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 Charlie Marsh last invest?

The most recent investment recorded for Charlie Marsh closed in Sep 2025. Shizune tracks 3 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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