John Duff

Active Investor

Technical Advisor at Invest Ottawa

Ottawa, Ontario

John Duff, Technical Advisor at Invest Ottawa is an active investor based in Ottawa, Ontario. This profile covers what John Duff backs, at which stage, and how founders can reach out in 2026.

Investor type: AngelVCPEVenture Debt
Stages: Early Stage Venture
Invests in: Healthcare & BiotechDigital Health & HealthTechBiotech & PharmaMedTech & Medical DevicesSaaS & EnterpriseCybersecurityRobotics & AutomationMobility & Logistics
Location: Ottawa, Ontario
Typical check: $500K
Past investments: 1

Notable investments

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How to reach John Duff

Angels and operators like John Duff 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.

Frequently Asked Questions

What does John Duff invest in?

John Duff invests in Healthcare & Biotech, Digital Health & HealthTech, Biotech & Pharma and MedTech & Medical Devices, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.