# William Harrison

> William Harrison is a startup investor at Cathexis Ventures (Houston). See 0 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Cathexis Ventures](https://shizune.co/investors/profile/cathexis)
- Location: Houston, United States
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/william-harrison-831753a/

William Harrison is a startup investor at Cathexis Ventures in Houston. William Harrison joined Cathexis Ventures as Founder.

## About Cathexis Ventures

VC Fund · Houston, United States

Cathexis Ventures is the venture arm of Cathexis Holdings, a single-family office based in Houston Texas. Minimum check size $100k, max $10M for seed stage companies. Typically $250k checks.

2 contacts available at Cathexis Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Mark Friday | Managing director | https://shizune.co/investors/profile/mark-friday-3e7a |
| William Harrison | Founder | https://shizune.co/investors/profile/william-harrison-77fe |

## FAQ

### 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.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co