Guy Chiarello
Guy Chiarello is Chief Operating Officer (COO) at Fiserv. Coverage across the FF News network includes 2 articles since 2022, most recently "Fiserv Collaborates with Microsoft to Accelerate AI-Driven Innovation" (8 January 2026).
Guy Chiarello is Chief Operating Officer (COO) at Fiserv. Coverage across the FF News network includes 2 articles since 2022, most recently "Fiserv Collaborates with Microsoft to Accelerate AI-Driven Innovation" (8 January 2026).