Guillaume Pfefer

Active Investor

CEO Partner Senda Biosciences, a Flagship Pioneering company at Flagship Pioneering

Boston, Massachusetts

Guillaume Pfefer, CEO Partner Senda Biosciences, a Flagship Pioneering company at Flagship Pioneering is an active investor based in Boston, Massachusetts. This profile covers what Guillaume Pfefer 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: Boston, Massachusetts
Typical check: $750K
Past investments: 2

Notable investments

GPF ConsultingSanofi Pasteur

How to reach Guillaume Pfefer

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Frequently Asked Questions

What does Guillaume Pfefer invest in?

Guillaume Pfefer 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.