IRS organization

Specialized IRS units report to the Commissioner's office. The IRS Chief Counsel also reports to the Treasury General Counsel on certain matters.

Commissioner, Internal Revenue — Scott Bessent (acting)

• IRS Chief Counsel — Kenneth Kies (acting)
• Taxpayer Advocate Service — Erin M. Collins, National Taxpayer Advocate
• Appeals — John Hinding, Chief of Independent Office of Appeals (acting)
• Taxpayer Experience Office — Fumi Tamaki, Chief
• Communications and Liaison — Amy Klonsky (acting)
• Direct File — vacant
• Chief of Staff — Carolyn Singh (acting)

Chief Executive Officer — Frank Bisignano
Deputy Commissioner — vacant

• Taxpayer Services — Kenneth Corbin, Chief
• Chief Tax Compliance Officer — Jarod Koopman (acting)
  • Criminal Investigation — Guy Ficco, Chief
  • Enterprise Case Management — vacant
  • Large Business and International Division — Mabeline Baldwin, Commissioner (acting)
  • Office of Professional Responsibility — vacant
  • Return Preparer Office — Kimberly Rogers, Director
  • Small Business/Self Employed Division — Lia Colbert, Commissioner
  • Tax-Exempt and Government Entities Division — Edward Killien, Commissioner
  • Whistleblower Office — Erick Martinez, Director (acting)
• Chief Operating Officer — Dottie Romo
  • Chief Financial Officer — Anthony Chavez
  • Chief Facilities Management and Security Service — John Pekarik (acting)
  • Chief Human Capital Officer — David Traynor (acting)
  • Chief Risk Officer — Thomas Hybertson (acting)
  • Chief Privacy Officer — Jack Walker (acting)
  • Chief Procurement Officer — Troy Rosenlieb (acting)
  • Chief Data and Analytics Officer — Reza Rashidi
• Chief Information Officer — Kaschit Pandya