Share Printer Friendly Leadership see historical members Senate Republican Leadership r District 47 Greg Treat President Pro Tempore r District 18 Kim David Majority Floor Leader r District 12 James Leewright Asst. Majority Floor Leader r District 14 Frank Simpson Asst. Majority Floor Leader r District 8 Roger Thompson Senate Appropriations Committee Chair r District 15 Rob Standridge Majority Whip r District 29 Julie Daniels Asst. Majority Whip r District 27 Casey Murdock Asst. Majority Whip r District 2 Marty Quinn Asst. Majority Whip r District 39 Dave Rader Majority Caucus Chair r District 13 Greg McCortney Majority Caucus Vice Chair r District 26 Darcy Jech Rural Caucus Chair Senate Democratic Leadership d District 46 Kay Floyd Democratic Leader d District 11 Kevin Matthews Democratic Caucus Chair d District 34 J.J. Dossett Assistant Democratic Floor Leader d District 44 Michael Brooks Democratic Caucus Vice Chair d District 40 Carri Hicks Democratic Whip