President Donald Trump (R) shakes the hand of Social Security Commissioner Frank Bisignano during an event in the Oval Office of the White House in Washington on Aug. 14, 2025. Alex Brandon/AP PhotoTreasury Secretary Scott Bessent announced on Oct. 6 that Frank Bisignano, the head of the Social Security Administration (SSA), will also serve as CEO of the IRS.

While the treasury secretary will still serve as acting IRS commissioner, Bisignano will now take on a new role as CEO of the IRS, “managing the organization and overseeing all day-to-day operations” while reporting directly to Bessent.

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