The Commissioner's Section
Commissioner John Koskinen
John Koskinen is the 48th Commissioner of the Internal Revenue Service.
Commissioner's Comments, Statements and Remarks
IRS Commissioner discusses a range of tax administration issues.
Previous IRS Commissioners
There have been 47 previous commissioners of Internal Revenue and 26 acting commissioners since the agency was created in 1862.
Longest- and Shortest-Serving Commissioners of Internal Revenue
Before RRA-98 set a five-year term of office, the average length of a Commissioner's tenure was about three years. These were anything but average.