Greybird Ventures is a venture capital firm. Team members are concentrated in Boston, Massachusetts, United States. Among the 8 companies in the known portfolio are NeuroKaire, Ceres Nanosciences, Angstrom Bio, Atlas5D, GNA Biosolutions and Hummingbird Diagnostics.
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Investment focus
- Sector
- HardwareHealthcare
Contacts
Who to pitch at Greybird Ventures
Greybird Ventures portfolio companies (8)
- NeuroKaire
- Ceres Nanosciences
- Angstrom Bio
- Atlas5D
- GNA Biosolutions
- Hummingbird Diagnostics
- Jiufeng Medical
- Platomics
Co-investors
Funds that share portfolio companies with Greybird Ventures.
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About Greybird Ventures
The firm's listing covers sectors Hardware and Healthcare, and focus areas Biotech, Compliance, Diagnostics and Genetics; known deals cluster at Growth, Seed and Series A.
The contacts to approach at Greybird Ventures are G. Scott Gazelle (Co-Founder) and Tom Miller (Managing Partner).
Across the known portfolio, 4 co-investors appear alongside Greybird Ventures, including Concord, Jumpspeed Ventures and Sapir Venture Partners.
Frequently asked questions
What is Greybird Ventures?
Greybird Ventures is a venture capital firm whose team is concentrated in Boston, Massachusetts, United States, with a known portfolio of 8 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does Greybird Ventures invest in?
Listed sectors include Hardware and Healthcare; listed focus areas include Biotech, Compliance, Diagnostics and Genetics. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Greybird Ventures invest at?
The known deals of Greybird Ventures include Growth, Seed and Series A rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Greybird Ventures?
Both people on file at Greybird Ventures are listed as contacts for the firm, each with their own profile page.
How do I contact Greybird Ventures?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 2 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal