David Grayzel
Partner at Atlas Venture
Cambridge, Massachusetts
David Grayzel, Partner at Atlas Venture is an active investor based in Cambridge, Massachusetts. This profile covers what David Grayzel backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPE
- Stages
- Seed
- Invests in
- Healthcare & BiotechBiotech & Pharma
- Location
- Cambridge, Massachusetts
- Typical check
- $250K
- Past investments
- 4
Notable investments
Delinia
Xilio TherapeuticsDyax CorpHow to reach David Grayzel
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Cite this page
Round Funded. "David Grayzel." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/david-grayzel
Frequently Asked Questions
What does David Grayzel invest in?
David Grayzel invests in Healthcare & Biotech and Biotech & Pharma, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does David Grayzel invest at?
David Grayzel typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is David Grayzel's typical check size?
David Grayzel typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
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