People

Who decides

Every federal tax rule is written by one of two committees, administered by the Treasury and the IRS, and tested in the Tax Court. These are the people in those seats — 122 of them, taken from the rosters each body publishes.

Updated 2026-09-17 · rebuilt from the source rosters, not maintained by hand

Vacant right now: Commissioner, Internal Revenue; Chief Procurement Officer. A vacancy at the top of the IRS shapes what the agency can decide and how fast.

In our coverage

Frank J. BisignanoChief Executive Officer, Internal Revenue Service 5 stories Scott BessentSecretary of the Treasury 4 stories Erin M. CollinsNational Taxpayer Advocate, Taxpayer Advocate Service 2 stories Ron WydenRanking Member, Senate Finance Committee 1 story Elizabeth WarrenMember, Senate Finance Committee Democrat · MA 1 story Jason SmithChairman, House Ways and Means Committee Republican · MO 1 story Jodey ArringtonMember, House Ways and Means Committee Republican · TX 1 story Jarod KoopmanChief, Criminal Investigation 1 story

Congress 72

The two committees that write federal tax law: Senate Finance and House Ways and Means.

Mike CrapoChairman, Senate Finance Committee Ron WydenRanking Member, Senate Finance Committee 1 story Chuck GrassleyMember, Senate Finance Committee Republican · IA John CornynMember, Senate Finance Committee Republican · TX John ThuneMember, Senate Finance Committee Republican · SD Tim ScottMember, Senate Finance Committee Republican · SC Bill CassidyMember, Senate Finance Committee Republican · LA James LankfordMember, Senate Finance Committee Republican · OK Steve DainesMember, Senate Finance Committee Republican · MT Todd YoungMember, Senate Finance Committee Republican · IN John BarrassoMember, Senate Finance Committee Republican · WY Ron JohnsonMember, Senate Finance Committee Republican · WI Thom TillisMember, Senate Finance Committee Republican · NC Marsha BlackburnMember, Senate Finance Committee Republican · TN Roger MarshallMember, Senate Finance Committee Republican · KS Maria CantwellMember, Senate Finance Committee Democrat · WA Michael F. BennetMember, Senate Finance Committee Democrat · CO Mark R. WarnerMember, Senate Finance Committee Democrat · VA Sheldon WhitehouseMember, Senate Finance Committee Democrat · RI Maggie HassanMember, Senate Finance Committee Democrat · NH Catherine Cortez MastoMember, Senate Finance Committee Democrat · NV Elizabeth WarrenMember, Senate Finance Committee Democrat · MA 1 story Bernard SandersMember, Senate Finance Committee Democrat · VT Tina SmithMember, Senate Finance Committee Democrat · MN Ben Ray LujánMember, Senate Finance Committee Democrat · NM Raphael G. WarnockMember, Senate Finance Committee Democrat · GA Peter WelchMember, Senate Finance Committee Democrat · VT Jason SmithChairman, House Ways and Means Committee Republican · MO 1 story Richard NealRanking Member, House Ways and Means Committee Democrat · MA Vern BuchananMember, House Ways and Means Committee Republican · FL Adrian SmithMember, House Ways and Means Committee Republican · NE Mike KellyMember, House Ways and Means Committee Republican · PA David SchweikertMember, House Ways and Means Committee Republican · AZ Darin LaHoodMember, House Ways and Means Committee Republican · IL Jodey ArringtonMember, House Ways and Means Committee Republican · TX 1 story Ron EstesMember, House Ways and Means Committee Republican · KS Lloyd SmuckerMember, House Ways and Means Committee Republican · PA Kevin HernMember, House Ways and Means Committee Republican · OK Carol MillerMember, House Ways and Means Committee Republican · WV Greg MurphyMember, House Ways and Means Committee Republican · NC David KustoffMember, House Ways and Means Committee Republican · TN Brian FitzpatrickMember, House Ways and Means Committee Republican · PA Greg SteubeMember, House Ways and Means Committee Republican · FL Claudia TenneyMember, House Ways and Means Committee Republican · NY Michelle FischbachMember, House Ways and Means Committee Republican · MN Blake MooreMember, House Ways and Means Committee Republican · UT Beth Van DuyneMember, House Ways and Means Committee Republican · TX Randy FeenstraMember, House Ways and Means Committee Republican · IA Nicole MalliotakisMember, House Ways and Means Committee Republican · NY Mike CareyMember, House Ways and Means Committee Republican · OH Rudy YakymMember, House Ways and Means Committee Republican · IN Max MillerMember, House Ways and Means Committee Republican · OH Aaron BeanMember, House Ways and Means Committee Republican · FL Nathaniel MoranMember, House Ways and Means Committee Republican · TX Lloyd DoggettMember, House Ways and Means Committee Democrat · TX Mike ThompsonMember, House Ways and Means Committee Democrat · CA John LarsonMember, House Ways and Means Committee Democrat · CT Danny DavisMember, House Ways and Means Committee Democrat · IL Linda SánchezMember, House Ways and Means Committee Democrat · CA Terri SewellMember, House Ways and Means Committee Democrat · AL Suzan DelBeneMember, House Ways and Means Committee Democrat · WA Judy ChuMember, House Ways and Means Committee Democrat · CA Gwen MooreMember, House Ways and Means Committee Democrat · WI Brendan BoyleMember, House Ways and Means Committee Democrat · PA Don BeyerMember, House Ways and Means Committee Democrat · VA Dwight EvansMember, House Ways and Means Committee Democrat · PA Brad SchneiderMember, House Ways and Means Committee Democrat · IL Jimmy PanettaMember, House Ways and Means Committee Democrat · CA Jimmy GomezMember, House Ways and Means Committee Democrat · CA Steven HorsfordMember, House Ways and Means Committee Democrat · NV Stacey PlaskettMember, House Ways and Means Committee Democrat · VI Thomas SuozziMember, House Ways and Means Committee Democrat · NY

Treasury and the IRS 16

The department that proposes rules and the service that administers them.

Scott BessentSecretary of the Treasury 4 stories Francis BrookeDeputy Secretary of the Treasury Kevin SalingerIRS Chief Counsel, Internal Revenue Service (acting) David BordenChief of Independent Office of Appeals, Appeals Erin M. CollinsNational Taxpayer Advocate, Taxpayer Advocate Service 2 stories Frank J. BisignanoChief Executive Officer, Internal Revenue Service 5 stories Kenneth CorbinChief, Taxpayer Services Courtney Kay-DeckerChief, Taxpayer Experience Office Nicholas PerrineChief, Communications and Liaison Mabeline BaldwinCommissioner, Large Business and International Division Chris PleffnerDirector, Tax Professional Management Office Lia ColbertCommissioner, Small Business/Self Employed Division Edward KillenCommissioner, Tax-Exempt and Government Entities Division Erick MartinezDirector (acting), Whistleblower Office Jarod KoopmanChief, Criminal Investigation 1 story Jack WalkerChief Privacy Officer, Internal Revenue Service (acting)

United States Tax Court 34

The judges who decide what the law means when the IRS and a taxpayer disagree.

Patrick J. UrdaChief Judge, United States Tax Court Jeffrey S. ArbeitJudge, United States Tax Court Tamara W. AshfordJudge, United States Tax Court Ronald L. BuchJudge, United States Tax Court Elizabeth A. CopelandJudge, United States Tax Court Cathy FungJudge, United States Tax Court Travis A. GreavesJudge, United States Tax Court Benjamin A. Guider IIIJudge, United States Tax Court Rose E. JenkinsJudge, United States Tax Court Courtney Dunbar JonesJudge, United States Tax Court Kathleen KerriganJudge, United States Tax Court Adam B. LandyJudge, United States Tax Court Alina I. MarshallJudge, United States Tax Court Joseph W. NegaJudge, United States Tax Court Cary Douglas PughJudge, United States Tax Court Emin ToroJudge, United States Tax Court Kashi WayJudge, United States Tax Court Christian N. WeilerJudge, United States Tax Court Mary Ann CohenSenior Judge, United States Tax Court Maurice B. FoleySenior Judge, United States Tax Court Joseph Robert GoekeSenior Judge, United States Tax Court David GustafsonSenior Judge, United States Tax Court James S. HalpernSenior Judge, United States Tax Court Mark V. HolmesSenior Judge, United States Tax Court Albert G. LauberSenior Judge, United States Tax Court L. Paige MarvelSenior Judge, United States Tax Court Richard T. MorrisonSenior Judge, United States Tax Court Elizabeth Crewson ParisSenior Judge, United States Tax Court Michael B. ThorntonSenior Judge, United States Tax Court Juan F. VasquezSenior Judge, United States Tax Court Diana L. LeydenSpecial Trial Judge, United States Tax Court Peter J. PanuthosSpecial Trial Judge, United States Tax Court Jennifer E. SiegelSpecial Trial Judge, United States Tax Court Lewis R. CarluzzoSenior Special Trial Judge, United States Tax Court

Rosters change with every election and every appointment. This page is rebuilt from the committee, court and department pages themselves, so a change there becomes a change here.