In this engaging discussion, David Vélez, the Founder and CEO of Nubank, shares his unique journey from Colombia to revolutionizing Brazil's banking system. Alongside co-founder Cristina Junqueira and Sequoia Capital's Doug Leone, they detail their battle against a banking oligopoly that imposed high fees on customers. Their story of resilience and innovation reveals how Nubank transformed the financial landscape with a strong focus on ethics and customer care, achieving over 100 million users and marking a significant milestone in fintech.