David Mariai

Active Investor

Principal Technical Program Manager at Meta

Toronto, Ontario

David Mariai, Principal Technical Program Manager at Meta is an active investor based in Toronto, Ontario. This profile covers what David Mariai backs, at which stage, and how founders can reach out in 2026.

Investor type: Angel
Stages: Pre SeedSeed
Invests in: Artificial IntelligenceHealthcare & BiotechSaaS & EnterpriseConsumer & RetailE-commerce & D2CDeveloper Tools & DataHardware & Deep TechAR/VR & Metaverse
Location: Toronto, Ontario
Typical check: $150K
Past investments: 1

Notable investments

PR Newswire

How to reach David Mariai

Angels and operators like David Mariai 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 David Mariai invest in?

David Mariai invests in Artificial Intelligence, Healthcare & Biotech, SaaS & Enterprise and Consumer & Retail, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.