FIS Global Head of Payments Networks David Keenan on agentic commerce, the future of installment lending, and why retailers need to break up with their acquirers. getty The plastic card, it turns out, may have a shorter shelf life than the humble paper check. That counterintuitive idea is one of several observations David Keenan, Global Head of Payment Networks at FIS, offered in a wide-ranging conversation about where commerce is heading and what the payments industry needs to do to keep pace.