WHY I WROTE THIS


I spent more than a decade at American Express building the data infrastructure that powers real-time transaction intelligence — including a patented system processing 100M+ daily transactions and hyper-personalized marketing platforms that used that data to engage cardmembers at the moments that mattered. This piece is my attempt to share what that experience taught me about what 

banks and card issuers can — and should — be doing with the data advantage they already have.

Published June 2026 · 7 min read