President pro tempore of the California State Senate
The president pro tempore of the California State Senate 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.
The current President pro tempore is Monique Limón, a Democratic member from the 21st district, who was sworn in on November 17, 2025.