Trump's nominee to run the Social Security Administration ... During that period, Bisignano held the position of Chief Administrative Officer of Citigroup’s Corporate and Investment Bank.

During his confirmation hearing, Bisignano, chief executive of financial technology company Fiserv, said he’d “never thought about privatizing” the Social Security Administration.

Trump started his second term on Jan. 20. The Social Security Administration ... Before that, Bisignano was co-chief operating officer for JPMorgan Chase and CEO of its mortgage banking unit.

House Republicans are warning newly confirmed Social Security Administration ... criticizing Trump’s appointment of Bisignano, who has a reputation as a “cutter” in the private sector ...