Bisignano in December accepted a nomination by the incoming Trump Administration to take on the role of Commissioner of the Social Security Administration. He assured equity analysts at the time that he had formed a succession plan and intended to run Fiserv at least until February.

The technology vendor is going outside the company to hire PNC vet Michael Lyons to replace Trump administration-bound Frank Bisignano, leaving the Pittsburgh-bank without its heir apparent for the top role.

Fiserve Inc. said Michael Lyons, its new president/CEO-elect, starts his new job on Monday, Jan. 27. Lyons is leaving PNC Financial Services Group Inc. (NYSE:PNC) where he's worked since 2011 and has been president since last February.

Fiserv (FI) announced the appointment of Michael Lyons as president and CEO-elect of Fiserv, effective January 27. Lyons will report to Frank