Senator Christine Radogno Senate Republican Leader 41st Senate District
Senator Matt Murphy Dep. Senate Republican Leader 27th Senate District
Senator William Brady Asst. Senate Republican Leader 44th Senate District
Senator Kirk Dillard Asst. Senate Republican Leader 24th Senate District
Senator Dave Luechtefeld Asst. Senate Republican Leader 58th Senate District
Senator Dave Syverson Asst. Senate Republican Leader 35th Senate District
Senator Pamela Althoff Senate Republican Caucus Chair 32nd Senate District
Senator Tim Bivins Senate Republican Whip 45th Senate District
Senator Jason Barickman 53rd Senate District
Senator Michael Connelly 21st Senate District
Senator Dan Duffy 26th Senate District
Senator Darin LaHood 37th Senate District
Senator Sam McCann 50th Senate District
Senator Kyle McCarter 54th Senate District
Senator Karen McConnaughay 33rd Senate District
Senator Jim Oberweis 25th Senate District
Senator Sue Rezin 38th Senate District
Senator Dale Righter 55th Senate District
Senator Chapin Rose 51st Senate District