Today's IRS Organization

 

Our organizational structure closely resembles the private sector model of organizing around customers with similar needs.

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 — Danny Werfel
  • Chief of Staff — Heather Maloy *
  • IRS Chief Counsel — William M. Paul, Acting Chief Counsel
  • Taxpayer Advocate Service — Erin M. Collins, National Taxpayer Advocate
  • Appeals Andy Keyso, Chief of Independent Office of Appeals
  • Taxpayer Experience Office — Ken Corbin, Chief Taxpayer Experience Officer
  • Communications and Liaison — Terry Lemons, Chief 
  • Chief Diversity Officer — Carrie Y. Holland

* Denotes acting assignment

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 — Douglas (Doug) O’Donnell
  • Assistant Deputy Commissioner for Services and Enforcement — Paul Mamo 
  • Wage and Investment Division — Ken Corbin, Commissioner
  • Large Business and International Division — Holly Paz, Commissioner
  • Small Business/Self Employed Division — Lia Colbert, Commissioner
  • Tax Exempt and Government Entities Division — Edward Killen, Commissioner
  • Criminal Investigation — James C. Lee, Chief
  • Return Preparer Office — Kimberly Rogers, Director
  • Office of Professional Responsibility — Timothy McCormally, Director* 
  • Office of Online Services — Karen S. Howard, Director
  • Whistleblower Office — John Hinman, Director
  • Enterprise Case Management — Lou Ann Kelleher, Director

* Denotes acting assignment

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

  • Deputy Commissioner for Operations Support — Melanie Krause*
  • Assistant Deputy Commissioner for Operations Support — Vacant
  • Chief Information Officer — Kaschit Pandya*
  • Chief Facilities Management and Security Service — Richard Rodriguez
  • Chief Data and Analytics Officer — Barry Johnson*
  • Human Capital Officer — Traci DiMartini
  • Chief Financial Officer — Teresa Hunter
  • Chief Privacy Officer — Kathleen Walters
  • Chief Procurement Officer — Todd Anthony
  • Chief Risk Officer — Mark Pursley
  • Executive Director, Lifting Communities Up — Kevin Q. McIver

* Denotes acting assignment

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

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