# Mike Grey

> Mike Grey is a post-ipo equity investor at Pappas Ventures backing Health Care. See 1 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Pappas Ventures](https://shizune.co/investors/profile/pappas-ventures)
- Location: San Diego, United States
- Total investments: 1
- Last investment: Aug 2010
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/in/mikegrey

Mike Grey is a post-ipo equity investor at Pappas Ventures in San Diego focused on Health Care and Therapeutics. Mike Grey - Venture Partner @ Pappas Ventures

## Contacts

5 contacts available for Mike Grey: 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/mike-grey?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Health Care | 1 | 100% |
| Therapeutics | 1 | 100% |
| Biotechnology | 1 | 100% |
| Pharmaceutical | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Achillion Pharmaceuticals | At Achillion, we are driven to transform the lives of patients and families affected by diseases of the complement system, an integral part of the innate immune system. Scientific and clinical evidence has implicated the complement system, and specifically the complement Alternative Pathway (AP), in numerous devastating diseases and conditions. Ourprincipal focus at Achillion is to advance our clinical-stage portfolio of orally administered factor D inhibitors into late-stage development and potential commercialization for patients with devastating disorders of the complement system. | $50.1M | Post-IPO Equity | Aug 18, 2010 |  |

1 of 1 investments shown.

## Co-investors
- [Clarus Ventures](https://shizune.co/investors/profile/clarus-ventures) — VC Fund, 1 deal together
- [Domain Associates](https://shizune.co/investors/profile/domain-associates) — VC Fund, 1 deal together
- [Quaker BioVentures](https://shizune.co/investors/profile/quaker-bioventures) — VC Fund, 1 deal together

## About Pappas Ventures

VC Fund · Durham, United States

Pappas Ventures provides investment in the life sciences sector.

5 contacts available at Pappas Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Eric W. Linsley | Partner | https://shizune.co/investors/profile/eric-w-linsley |
| Ford Worthy | Partner | https://shizune.co/investors/profile/ford-worthy |
| Franz Humer | Venture partner and Senior editor | https://shizune.co/investors/profile/franz-humer |
| Mike Grey | Venture Partner | — |
| Artthur M. Pappas | Founder, CEO & Managing General Partner | https://shizune.co/investors/profile/artthur-m-pappas |

## Similar investors

### Similar stage
- [RA Capital Management](https://shizune.co/investors/profile/ra-capital-management) — VC Fund
- [KB Securities](https://shizune.co/investors/profile/kb-securities) — VC Fund
- [Frazier Healthcare Partners](https://shizune.co/investors/profile/frazier-healthcare-ventures) — VC Fund

## FAQ

### What does Mike Grey invest in?

Mike Grey invests primarily in Health Care, Therapeutics and Biotechnology startups, most often at Post-IPO Equity 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 Mike Grey?

Public channels for Mike Grey include LinkedIn. 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 Mike Grey last invest?

The most recent investment recorded for Mike Grey closed in Aug 2010. 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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