# Dennis Jennings

> Dennis Jennings is a startup investor at Peroptyx. See 0 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Peroptyx](https://shizune.co/investors/profile/peroptyx)
- Last updated: Aug 2026

Dennis Jennings is a startup investor at Peroptyx.

## About Peroptyx

VC Fund · Castlebar, Ireland

Peroptyx is a platform that provides managed solutions for machine learning. At Peroptyx, they have assembled and pre-screened a qualified network of data evaluators across the globe. They strategically match ideal evaluators with each product to ensure authentic experiences through consistency and appropriate real-world contexts.

5 contacts available at Peroptyx.

| Name | Title | Profile |
| --- | --- | --- |
| David O'Sullivan | Director of Finance | https://shizune.co/investors/profile/david-o-sullivan-2 |
| Dennis Jennings | Co-Founder & Chairman | https://shizune.co/investors/profile/dr-dennis-jennings |
| Maeve Bleahene | Co-Founder & Head of Operations | https://shizune.co/investors/profile/maeve-bleahene |
| Paul McBride | Co-Founder & Managing Director | https://shizune.co/investors/profile/paul-mcbride-d7de |
| Salome Duffy | Co-Founder & Head of Finance | https://shizune.co/investors/profile/salome-duffy |

## 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