Tom Miller is a Managing Partner at Greybird Ventures, whose known portfolio counts 8 companies.
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Investment focus
- Sector
- HardwareHealthcare
Contacts
Affiliated funds' portfolios
Managing Partner at Greybird Ventures, whose known portfolio counts 8 companies
- NeuroKaire
- Ceres Nanosciences
- Angstrom Bio
- Atlas5D
- GNA Biosolutions
- Hummingbird Diagnostics
- Jiufeng Medical
- Platomics
Investor Profile
Tom Miller is listed against sectors Hardware and Healthcare, and focus areas Biotech, Compliance, Diagnostics and Genetics in the database.
Stage-wise, the deals at Greybird Ventures cluster around Growth, Seed and Series A rounds.
What the affiliated firm has backed is the closest available signal on whether Tom Miller is worth approaching.
Colleagues at Greybird Ventures
Frequently asked questions
Who is Tom Miller?
Tom Miller is a venture capital investor based in Concord, Massachusetts, United States, listed as Managing Partner at Greybird Ventures. The known portfolio of that firm counts 8 companies. That portfolio belongs to the firm, not to Tom Miller personally.
What does Tom Miller invest in?
Listed sectors include Hardware and Healthcare; listed focus areas include Biotech, Compliance, Diagnostics and Genetics. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Tom Miller invest at?
Greybird Ventures appears in Growth, Seed and Series A rounds across its known deals, and Tom Miller is listed there as Managing Partner. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Tom Miller listed at?
Tom Miller is listed as Managing Partner at Greybird Ventures. One other person in the database shares a firm with Tom Miller.
How do I contact Tom Miller?
An email address and a LinkedIn page are on file for Tom Miller. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal