Takis Georgakopoulos has been named the new chief operating officer for financial technology provider Fiserv Inc.

JPMorgan alum replaced Guy Chiarello as chief operating officer, with the latter moving to a vice chair role at the payments processor.

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After working at big banks including Citigroup and UBS, followed by a stint as information security for consumer goods giant Procter & Gamble, Kostas Georgakopoulos got an offer he couldn't refuse ...