Nnamdi Okike on Billionaires, Founder Psychology & the Venture Capital Bubble

With David Weisburd, Nnamdi Okike · Sunday, October 4, 2026

Nnamdi Okike, co-founder and managing partner of 645 Ventures, explains how his firm turns early-stage venture capital into a quantifiable science rather than relying on pure intuition. He discusses evaluating founder psychology and missionary drive, navigating market inflections, the transformation of fintech and stablecoins, and the dangers of bloated mega-seed rounds during market cycle peaks.

Watch on YouTube ↗All How I Invest summaries →More from Private Equity →

Key takeaways

Founder talent cannot compensate for weak external demand tailwinds. As Nnamdi Okike puts it, "You can be the best surfer in the world but if you're surfing at a beach with tiny waves, you're not going to surf very well. You need the waves." Read more →
Venture capital selection is an aggregation of observable patterns, not gut feel. Nnamdi Okike treats early-stage investing as an empirical discipline where historical data directly guides sourcing and evaluation. Read more →
Stablecoins have shifted from speculative trading collateral to utilitarian rails for cross-border settlement and inflation protection in emerging markets. Read more →
Managing partner Nnamdi Okike draws on five fund vintages at 645 Ventures to warn that raising $50M seed rounds ruins early-stage operating discipline. Read more →