Treasury Secretary Scott Bessent, who also serves as acting commissioner of the Internal Revenue Service, has appointed Frank Bisignano, head of the Social Security Administration, to serve as the IRS’s first chief executive officer, creating a new leadership structure aimed at modernizing the tax agency and improving customer service.

The move marks a major step in the administration’s effort to bring private-sector management principles to federal operations. Bisignano, a longtime financial executive who previously led the payments-processing company Fiserv and held senior roles at JPMorgan Chase, will oversee the IRS’s day-to-day operations while continuing to run Social Security. He will report directly to Bessent, who remains acting commissioner.

“Frank is a businessman with an exce

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