Nnamdi Okike

Active Investor

Co-Founder and Managing Partner at 645 Ventures

New York City, New York

Nnamdi Okike, Co-Founder and Managing Partner at 645 Ventures is an active investor based in New York City, New York. This profile covers what Nnamdi Okike backs, at which stage, and how founders can reach out in 2026.

Investor type: AngelVCPEInvestment PartnerInvestor
Stages: Early Stage VentureSeedSeries A
Invests in: Artificial IntelligenceFintechPaymentsHealthcare & BiotechSaaS & EnterpriseConsumer & RetailE-commerce & D2CDeveloper Tools & Data
Location: New York City, New York
Typical check: $500K
Past investments: 22

Notable investments

ReflexAIAptyFolhamaticMM.LaFleurALICEElectroNeekAstaroVerb EnergyPrivalia (acquired for 500 million Euros)National Venture Capital AssociationAstaro AG (acquired by Sophos for $180 million)Polymail

How to reach Nnamdi Okike

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Frequently Asked Questions

What does Nnamdi Okike invest in?

Nnamdi Okike invests in Artificial Intelligence, Fintech, Payments and Healthcare & Biotech, typically at Early Stage Venture, Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.