Milwaukee-based financial technology company Fiserv appointed Takis Georgakopoulos CEO. He was also named a board member. .Georgakopoulos replaces Mike Lyons, who was recently named CEO of regional bank Truist Financial Corporation. Georgakopoulos joined Fiserv in late 2024, most recently serving as co-president leading technology and merchant services. He has two decades of payments, technology, financial services, AI and cybersecurity experience. Fiserv Chair Gordon Nixon credited Georgakopoulos for updating the company’s merchant platform, accelerating its cloud-based Point of Sale and business management platform Clover, and embedding AI over its infrastructure. Nixon called him “an exceptional leader whose strategic vision, technical depth and knowledge of our clients have been instrumental since he joined Fiserv.”