IRS shake-up hits days before 2026 tax season as Bisignano taps Hunter Biden whistleblowers
IRS chief Frank Bisignano named Gary Shapley deputy chief of Criminal Investigation and Joseph Ziegler chief of internal consulting days before the 2026 tax filing season. The agency faces new tax rules, a 26% workforce drop, and expects 164 million returns. Guy Ficco will retire, with Jarod Koopman set to replace him. The IRS is expanding digital processing and hiring private contractors for paper returns.