William Guillouard

Active Investor

Venture Partner at FJ Labs

Port Washington, New York

William Guillouard, Venture Partner at FJ Labs is an active investor based in Port Washington, New York. This profile covers what William Guillouard backs, at which stage, and how founders can reach out in 2026.

Investor type: VCMicro VCPEFounderInvestor
Stages: Early Stage VenturePre SeedSeed
Invests in: FintechPaymentsHealthcare & BiotechDigital Health & HealthTechBiotech & PharmaSaaS & EnterpriseConsumer & RetailConsumer Goods (CPG)
Location: Port Washington, New York
Typical check: $250K
Past investments: 97

Notable investments

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Frequently Asked Questions

What does William Guillouard invest in?

William Guillouard invests in Fintech, Payments, Healthcare & Biotech and Digital Health & HealthTech, typically at Early Stage Venture, Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.

How do I contact William Guillouard?

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