Fiserv appoints Takis Georgakopoulos CEO, shares drop 9%

Fiserv, Inc. has appointed Takis Georgakopoulos as its new chief executive officer, effective immediately, following the abrupt resignation of CEO Mike Lyons after just over a year in the role. The leadership change, announced on Monday, June 15, 2026, sent the company's shares tumbling approximately 9%, pushing the stock toward its lowest closing price since October 2016.

Lyons resigned on June 12 to become the president and CEO of Truist Financial Corporation, a move set to be finalized on September 1. According to a regulatory filing, his departure was not due to any dispute over business, policy, or practices, and he will receive only his unpaid salary without severance or additional compensation.

Georgakopoulos, who joined Fiserv in September 2024 and most recently served as co-president of technology and merchant solutions, was appointed to the CEO role and to the company's board on June 14. He previously spent over 17 years at JPMorgan Chase, where he was global head of payments for the corporate and investment bank. In a statement, Fiserv Board Chairman Gordon Nixon cited Georgakopoulos's role in modernizing the merchant platform, accelerating the Clover point-of-sale...