Tenure of California Senate Presidents pro Tempore

With Senate President pro Tempore Mike McGuire being sworn into office on February 5, 2024, the following is a look back over the past four decades of legislators holding this powerful position. 67 persons have held this position during California’s history as a state. The following is a list of those serving as Senate President pro Tempore since 1980 and their tenure in that office:

David Roberti (D) November 30, 1980 to January 31, 1994 (13 years and 3 months)

Bill Lockyer (D) January 31, 1994 to February 5, 1998 (4 years)

John Burton (D) February 5, 1998 to November 30, 2004 (6 years and 10 months)

Don Perata (D) November 30, 2004 to August 21, 2008 (3 years and 9 months)

Darrell Steinberg (D) August 21, 2008 to October 15, 2014 (6 years and 2 months)

Kevin de Leon (D) October 15, 2014 to March 21, 2018 (3 years and 5 months)

Toni Atkins (D) March 21, 2018 to February 2, 2024 (5 years and 11 months)

Mike McGuire (D) February 2, 2024 to ___