Darrell Steven Steinberg is an American politician and attorney who is the 56th mayor of Sacramento, California since December 2016. He was elected to be mayor on June 7, 2016. Before that, he was California Senate President pro Tempore and the leader of the majority party in the California State Senate from 2008 to 2014.

The president pro tempore of the California State Senate is the highest-ranking leader and most powerful member of the California State Senate. The officeholder also chairs the Senate Rules Committee. At the beginning of each two-year session, all members of the body elect a new State Senate President pro tempore. The President pro tempore is chosen by the other Senators.