Joint Committee on Tax Policy Senator Will Kraus, 8th, Chairman Representative Andrew Koenig, 99th, Vice-Chairman Senator Dan Hegeman, 12th Representative Marsha Haefner, 95th Senator Bob Onder, 2nd Representative Caleb Jones, 50th Senator S. Kiki Curls, 9th Representative Michael Butler, 79th Senator Jill Schupp, 24th Representative Tracy McCreery, 88th Established pursuant to Chapter 21, Section 810 (RSMo).