Julius Knowles
Partner at Mass General Brigham Ventures
Cambridge, Massachusetts
Julius Knowles, Partner at Mass General Brigham Ventures is an active investor based in Cambridge, Massachusetts. This profile covers what Julius Knowles backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPEFinance OperatorOperator
- Stages
- Pre SeedSeedSeries ASeries BLate Stage Venture
- Invests in
- Healthcare & BiotechMedTech & Medical DevicesFintech
- Location
- Cambridge, Massachusetts
- Typical check
- $1M
- Past investments
- 28
Notable investments
Magenta Therapeutics
ImmuneXciteInStore FinanceZielBioTargAnox
Editas Medicine
Lysosomal TherapeuticsPykus TherapeuticsAnnovation BioPharma
Vertex Pharmaceuticals
AbcuroHow to reach Julius Knowles
Angels and operators like Julius Knowles 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.
Connect with Julius Knowles
About this profile
This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise.
Frequently Asked Questions
What does Julius Knowles invest in?
Julius Knowles invests in Healthcare & Biotech, MedTech & Medical Devices and Fintech, typically at Pre Seed, Seed, Series A and Series B. Match your sector and stage, then reach out with a personalized pitch.
What stage does Julius Knowles invest at?
Julius Knowles typically invests at Pre Seed, Seed, Series A and Series B. Lead with traction that fits the stage when you reach out.
What is Julius Knowles's typical check size?
Julius Knowles typically writes checks around $1M. Use it as a signal for whether your raise fits their stage.
How do I contact Julius Knowles?
Unlock Julius Knowles's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.
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.