Mark DeSaulnier

Mark DeSaulnier
Official portrait, 2015
Member of the U.S. House of Representatives from California
Incumbent
Assumed office January 3, 2015
Preceded by	George Miller
Constituency	11th district (2015–2023) 10th district (2023–present)
Member of the California State Senate from the 7th district
In office December 1, 2008 – January 2, 2015
Preceded by	Tom Torlakson
Succeeded by	Steve Glazer
Member of the California State Assembly from the 11th district
In office December 4, 2006 – November 30, 2008
Preceded by	Joe Canciamilla
Succeeded by	Tom Torlakson
Member of the Contra Costa County Board of Supervisors from the 4th district
In office January 29, 1994 – December 4, 2006
Preceded by	Sunne McPeak
Succeeded by	Susan Bonilla
Personal details
Born	(1952-03-31) March 31, 1952 (age 72) Lowell, Massachusetts, U.S.
Political party	Democratic
Other political affiliations	Republican (before 2000)
Spouse	Melinda Clune (divorced)[1]
Children	2
Parent	Edward DeSaulnier (father)
Alma mater	College of the Holy Cross (BA)
Website	House website
Mark DeSaulnier's voice DeSaulnier speaks in support of the John Muir National Historic Site Expansion Act Recorded July 11, 2017

Mark James DeSaulnier (/dəˈsoʊnieɪ/ də-SOH-nee-ay;^[2] born March 31, 1952) is an American politician who has served as a U.S. representative from California since 2015. He has represented the 10th congressional district since 2023, although it was previously numbered the 11th district for his first eight years in office. The district includes most of Contra Costa County, a suburban county in the East Bay. He has been a member of the Democratic Party since 2000; before that, he was a Republican.

Before serving in the House of Representatives, DeSaulnier was a member of the Concord City Council (1991–94), a Contra Costa County Supervisor (1994–2006), and a member of the California State Legislature, representing the 11th State Assembly district from 2006 to 2008 and the 7th State Senate district from 2008 to 2015.