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 — Vacant
- 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 — David Horton, Acting Commissioner
- Criminal Investigation — Don Fort, Chief
- Return Preparer Office — Carol Campbell, Director
- Office of Professional Responsibility — Stephen A. Whitlock, 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.