Senator Mike Kehoe resigned his seat on June 18, 2018.
Senator Jay Wasson resigned his seat on November 1, 2018.
Senator Ron Richard, President Pro Tem
Senator Bob Onder, Assistant Majority Floor Leader
Senator Brian Munzlinger, Majority Caucus Whip
Senator Dan Hegeman, Majority Caucus Chairman
Senator Gina Walsh, Minority Floor Leader
Senator S. Kiki Curls, Assistant Minority Floor Leader
Senator Jamilah Nasheed, Minority Caucus Whip
Senator Jason Holsman, Minority Caucus Chair
Vacancy, Majority Floor Leader
Vacancy, Majority Caucus Secretary