Leverages a deep understanding of U.S. payment systems, including card networks, real-time payments, mobile and digital wallets, ecommerce platforms, payment gateways, orchestration layers, tokenization systems, issuer processors, and payment service providers to design tailored client solutions and articulate target-state architectures. Defines end-to-end token lifecycle behavior from token request, eligibility and activation through suspend, resume, delete, replenish, replace, PAN update, account reissue, device change, fraud response, and termination; aligns lifecycle events across issuer systems, card networks, token services, wallets, and customer-service operations.