# Tom McQuillen

> Tom McQuillen is a pre-seed investor at ReGen Ventures (Byron Bay) backing Chemical and Cosmetics. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [ReGen Ventures](https://shizune.co/investors/profile/regen-ventures)
- Location: Byron Bay, Australia
- Total investments: 1
- Last investment: Dec 2024
- Lead investor: 100%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/tommcquillen/
- X (Twitter): https://twitter.com/tommcquillen

Tom McQuillen is a pre-seed investor at ReGen Ventures in Byron Bay focused on Chemical and Cosmetics. Investing in climate-tech at ReGen Ventures. Previously led the Oxford Seed Fund, a student-run seed fund that has provided first cheques to Onfido, Go1, Veratrak and many others, and set up the growth team at a YC-backed Prolific.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Chemical | 1 | 100% |
| Cosmetics | 1 | 100% |
| Biotechnology | 1 | 100% |
| Machine Learning | 1 | 100% |
| Food and Beverage | 1 | 100% |

6 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Differential Bio | Differential Bio is integrating scale-down experiments with AI-based modeling to optimize how industry-relevant microbes grow ("biomass fermentation") and produce ("precision fermentation"). By optimizing bioprocesses and growth conditions, the company is not only increasing their clients' R&D efficiency but alsodramatically improving bioproduction outcomes such as yield, cost efficiency, and product quality. | $2.1M | Pre-Seed | Dec 01, 2024 |  |

1 of 1 investments shown.

## Co-investors
- [Ananda Impact Ventures](https://shizune.co/investors/profile/ananda-ventures-gmbh-social-venture-fund) — VC Fund, 1 deal together
- [better ventures](https://shizune.co/investors/profile/better-ventures-9d06) — VC Fund, 1 deal together
- [Carbon13](https://shizune.co/investors/profile/carbon13) — VC Fund, 1 deal together
- [CDTM Venture Fund](https://shizune.co/investors/profile/cdtm-venture-fund) — VC Fund, 1 deal together
- [Climate Capital](https://shizune.co/investors/profile/climate-capital) — VC Fund, 1 deal together

## About ReGen Ventures

VC Fund · Byron Bay, Australia

ReGen backs founders daring to build the companies that will restore our planet.

4 contacts available at ReGen Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Dan Fitzgerald | Founder & Managing Partner | https://shizune.co/investors/profile/dan-fitzgerald-fc2a |
| Parker Hughes | Associate | https://shizune.co/investors/profile/parker-hughes |
| Rose Marcario | Venture Partner | https://shizune.co/investors/profile/rose-marcario |
| Tom McQuillen | Partner | https://shizune.co/investors/profile/tom-mcquillen |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund
- [Everywhere Ventures](https://shizune.co/investors/profile/everywhere-ventures) — VC Fund

## FAQ

### What does Tom McQuillen invest in?

Tom McQuillen invests primarily in Chemical, Cosmetics and Biotechnology startups, most often at Pre-Seed stage. Most of the 1 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Tom McQuillen last invest?

The most recent investment recorded for Tom McQuillen closed in Dec 2024. Shizune tracks 1 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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