About
DeSaulnier, Mark James a Representative from California; born in Lowell, Middlesex County, Mass., March 31, 1952; graduated from Cranwell Preparatory School, Lenox, Mass., 1970; B.A. College of the Holy Cross, Worcester, Mass., 1974; fellow, John F. Kennedy School of Government, Harvard University, Cambridge, Mass., 2003; deputy probation officer; warehouse worker; hotel service employee; restaurant worker; general manager; small business owner; member of the Concord, Calif., city council, 1991-1994; Mayor of Concord, Calif., 1993; member of the Contra Costa County, Calif., board of supervisors, 1994-2006, chairman, 1994; member of the California state assembly, 2006-2008; unsuccessful candidate for nomination, by special election, to the One Hundred Eleventh Congress in 2009; member of the California state senate, 2008-2014; elected as a Democrat to the One Hundred Fourteenth and to the five succeeding Congresses (January 3, 2015-present).
Official Biography · U.S. Congress.
Performance & Participation
Votes CastMiddle 50%
98% — Voted in 634 of 645 roll call votes this congress.
Avg 97% · Most: 100% · Least: 18%
Vote IndependenceBottom 25%
0.2% — Voted against their own party majority 1 of 595 times.
Avg 2.1% · Most independent: 23.7% · Most party-line: 0.0%
Cosponsors AttractedBottom 25%
110 — Attracted 110 cosponsors across 24 bills.
Avg 299 · Most: 1,868 · Least: 0
Cosponsors Attracted Cross-AisleBottom 25%
6 — Attracted 6 cosponsors across the aisle.
Avg 59 · Most: 1,291 · Least: 0
Cosponsorships GivenTop 25%
389 — 389 bills cosponsored.
Avg 304 · Most: 1,768 · Least: 3
Cosponsorships Given Cross-AisleMiddle 50%
38 — 38 bills cosponsored across the aisle.
Avg 59 · Most: 803 · Least: 0
House GOP Questions Union Political Spending
Legis1 · Sep 22, 2026
Rep. Jimmy Gomez under House investigation over alleged sexual misconduct
Ms Now · Aug 17, 2026
U.S. House Ethics Committee is investigating GOP Rep. Lance Gooden
The Texas Tribune · Jul 27, 2026
Astranis Hires Dentons for Defense Spending Lobbying
Legis1 · Jul 6, 2026
Committee Examines Direct Contracting to Reduce Healthcare Costs
Legis1 · Jun 26, 2026
