Today's IRS Organization

Commissioner

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

  • Commissioner, Internal Revenue — Charles P. Rettig
  • Chief of Staff — Lia Colbert
  • IRS Chief Counsel —  Michael J. Desmond
  • Taxpayer Advocate Service — Nina E. Olson, National Taxpayer Advocate
  • Appeals — Donna Hansberry, Chief
  • Communications and Liaison — Terry Lemons, Chief  

Deputy Commissioner for Services and Enforcement

The Deputy Commissioner reports directly to the Commissioner and oversees the four primary operating divisions and other service and enforcement functions:    

  • Deputy Commissioner for Services and Enforcement — Kirsten Wielobob
  • Wage and Investment Division — Ken Corbin, Commissioner
  • Large Business and International Division — Douglas O'Donnell, Commissioner
  • Small Business/Self Employed Division — Mary Beth Murphy, Commissioner
  • Tax Exempt and Government Entities Division — Sunita Lough, Commissioner
  • Criminal Investigation — Don Fort, Chief
  • Return Preparer Office — Carol Campbell, Director
  • Office of Professional Responsibility — Beverly Ortega Babers,  Acting Director 
  • Office of Online Services — Michèle L. Causey, Acting Director
  • Whistleblower Office — Lee Martin, Director

Deputy Commissioner for Operations Support

The Deputy Commissioner reports directly to the Commissioner and oversees the integrated IRS support functions:

  • Deputy Commissioner for Operations Support — Jeff Tribiano
  • Chief Information Officer — Gina Garza
  • Chief Facilities Management and Security Service — Richard Rodriguez
  • Chief Research and Analytics Officer — Ben Herndon
  • Equity, Diversity and Inclusion — Elita Christiansen, Executive Director
  • Chief Human Capital Officer — Robin D. Bailey, Jr
  • Chief Financial Officer — Ursula Gillis 
  • Chief Privacy Officer — Edward Killen
  • Chief Procurement Officer — H. Harrison Smith, Acting
  • Chief Risk Officer — Thomas Brandt

Organization Chart

See the basic structure of today's IRS in this picture of the IRS Organization Chart

At-a-Glance: IRS Divisions and Principal Offices

Get an overview of the four primary operating divisions and the other principal offices in the IRS organization.