The Closed-Loop Network — Why Amex's Business Model Matters in Your Interview

Amex is the only major payment company that's both an issuer AND a network — a "closed-loop" model that sees every transaction end-to-end. This is the single most important business-model fact a candidate can know walking into an Amex interview. This module explains spend / lend / fee revenue, the data moat, the merchant fee debate, and exactly how to weave it into "why Amex?" and "what makes Amex different?" questions.