# John Boyce

> John Boyce is a Series A investor at TigerGene backing Genetics and Biopharma. See 1 investments, round sizes, portfolio and contact details. Updated Oct 2026.

- Type: Angel Investor
- Fund: TigerGene
- Location: Cambridge, United States
- Total investments: 1
- Last investment: Dec 2021
- Lead investor: 0%
- Last updated: Oct 2026
- LinkedIn: http://www.linkedin.com/pub/john-boyce/1/7b/b91
- X (Twitter): http://twitter.com/JohnBoyce9
- Facebook: https://www.facebook.com/john.boyce.37201

John Boyce is a Series A investor at TigerGene in Cambridge focused on Genetics and Biopharma. John Boyce is based out of Cambridge, Massachusetts and is the Managing Partner and Co-Founder of 28 Capital. John previously worked at Exosome Diagnostics as a President and CEO. John Boyce attended Harvard University.

## Contacts

5 contacts available for John Boyce: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/john-boyce?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Genetics | 1 | 100% |
| Biopharma | 1 | 100% |
| Therapeutics | 1 | 100% |
| Biotechnology | 1 | 100% |
| Health Diagnostics | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| NanoMosaic | NanoMosaic provides solutions for early illness detection, prognostic monitoring, and biomarker identification. Its protein interrogation powered by nanoneedles enables early disease detection, and prognostic monitoring. . | $40.8M | Series A | Dec 06, 2021 | https://www.nanomosaicllc.com/ |

1 of 1 investments shown.

## Co-investors
- [Insight Partners](https://shizune.co/investors/profile/insight-partners) — VC Fund, 1 deal together
- [Pura Vida Investments](https://shizune.co/investors/profile/pura-vida-investments) — VC Fund, 1 deal together
- [RA Capital Management](https://shizune.co/investors/profile/ra-capital-management) — VC Fund, 1 deal together
- TIME BioVentures — VC Fund, 1 deal together

## About TigerGene

VC Fund · Boston, United States

TigerGene

3 contacts available at TigerGene.

| Name | Title | Profile |
| --- | --- | --- |
| John Boyce | CEO, Chairman & Co-Founder of BrickBio | — |
| Audrey Warner | Partner & Co-Founder | — |
| John Boyce | CEO, Chairman & Co-Founder of BrickBio | https://shizune.co/investors/profile/john-boyce |

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## FAQ

### What does John Boyce invest in?

John Boyce invests primarily in Genetics, Biopharma and Therapeutics startups, most often at Series A stage. Most of the 1 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact John Boyce?

Public channels for John Boyce include LinkedIn, X (Twitter) and Facebook. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### When did John Boyce last invest?

The most recent investment recorded for John Boyce closed in Dec 2021. 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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