Jacob Rubens

Jacob Rubens

Active Investor

Origination Partner at Flagship Pioneering

Cambridge, Massachusetts

Jacob Rubens, Origination Partner at Flagship Pioneering is an active investor based in Cambridge, Massachusetts. This profile covers what Jacob Rubens backs, at which stage, and how founders can reach out in 2026.

Investor type
VCInvestor
Stages
Early Stage VentureSeries A
Invests in
Artificial IntelligenceHealthcare & BiotechDigital Health & HealthTechBiotech & PharmaMedTech & Medical DevicesSaaS & EnterpriseClimate & EnergyIoT & Connected Devices
Location
Cambridge, Massachusetts
Typical check
$750K
Past investments
55

Notable investments

KSQ TherapeuticsDenali TherapeuticsSyros PharmaceuticalsIncredible FoodsQuotient TherapeuticsInzen TherapeuticsOhana BiosciencesT2 BiosystemsTangent Medical TechnologiesKaleido BioSciencesPermeon BiologicsKovio

How to reach Jacob Rubens

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Frequently Asked Questions

What does Jacob Rubens invest in?

Jacob Rubens invests in Artificial Intelligence, Healthcare & Biotech, Digital Health & HealthTech and Biotech & Pharma, typically at Early Stage Venture and Series A. Match your sector and stage, then reach out with a personalized pitch.

How do I contact Jacob Rubens?

Unlock Jacob Rubens's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.

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