David Kaufman
Partner at Third Rock Ventures
Boston, Massachusetts
David Kaufman, Partner at Third Rock Ventures is an active investor based in Boston, Massachusetts. This profile covers what David Kaufman backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPEInvestor
- Stages
- Seed
- Invests in
- Healthcare & BiotechBiotech & PharmaMedTech & Medical Devices
- Location
- Boston, Massachusetts
- Typical check
- $250K
- Past investments
- 9
Notable investments
HOOKIPA Pharma Inc.
Moctopus
DevonWay
Merck
Pandora
StrataLight
Omniture
Imagekind
AncestrycomHow to reach David Kaufman
Angels and operators like David Kaufman reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.
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Round Funded. "David Kaufman." Round Funded investor database, updated October 19, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/david-kaufman
Frequently Asked Questions
What does David Kaufman invest in?
David Kaufman invests in Healthcare & Biotech, Biotech & Pharma and MedTech & Medical Devices, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does David Kaufman invest at?
David Kaufman typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is David Kaufman's typical check size?
David Kaufman 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.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.