William Guillouard
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
Moova
Leap
Lolli
Ravacan
YardLink
RoadRunner Recycling
User InterviewsChiper
Magaloop
BrandTotalHow to reach William Guillouard
Angels and operators like William Guillouard 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 Accelerator.
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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.
What stage does William Guillouard invest at?
William Guillouard typically invests at Early Stage Venture, Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is William Guillouard's typical check size?
William Guillouard typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
How do I contact William Guillouard?
Unlock William Guillouard's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.