With its previous CEO headed to Washington, Fiserv has picked a new chief executive.Michael Lyons, a longtime banking executive, has been chosen to lead the payments FinTech, Fiserv announced Tuesday (May 6), the same day outgoing CEO Frank Bisignano’s nomination to lead the Social Security Administration was approved by the U.S. Senate.“For more than 40 years, Fiserv has been a transformative force in financial technology driven by innovation and deep commitment to delivering best-in-class technology, valu ...