President pro tempore of the California State Senate

President pro tempore of the California State Senate
Seal of the Senate of the State of California
California State Flag
Incumbent
Mike McGuire
since February 5, 2024
Member ofCalifornia State Senate
Term length2 years
Inaugural holderE. Kirby Chamberlain
Formation1849
Unofficial namesPresident Pro Tem

The president pro tempore of the California State Senate (President Pro Tem) is the chief executive and highest-ranking member the California State Senate and serves as chair of the Senate Rules Committee. The Pro Tem is chosen at the beginning of each two-year session, via election by all the other senators-elect.[1]

The current President pro tempore is Mike McGuire, a Democratic member from the 2nd district, who was sworn in on February 5, 2024.[2]


  1. ^ "Glossary of Legislative Terms". California Legislative Counsel. Retrieved March 23, 2011.
  2. ^ Koseff, Alexei (2024-02-05). "Mike McGuire wants to 'lift up every person' as new California Senate leader". CalMatters. Retrieved 2024-02-11.