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Portrait of Mark DeSaulnier, U.S. Representative for California District 10

Serving · U.S. House · California · District 10

Mark DeSaulnier

U.S. Representative · California District 10 · 2015–present · Democratic

Mark DeSaulnier represents California's District 10 in the United States House of Representatives (2015–present) for the Democratic party. The page below collects sourced biographical facts, term history, committee roles, and provenance for DeSaulnier.

Bioguide ID: D000623

Key facts

Full name
Mark DeSaulnier
State
California
District
District 10
Party
Democratic
House service
2015–present
First House term
2015
Status
Currently serving
Current term ends
2027
Born
1952
Bioguide ID
D000623
Committee assignments
3
Dataset version
20260604

Biographical narrative

848 words · sourced from the Wikipedia REST extract

Mark DeSaulnier is an American politician currently serving as a U.S. Representative for California's 10th congressional district, a position he has held since 2015. Initially representing the 11th congressional district, he transitioned to the 10th district following redistricting. A member of the Democratic Party, DeSaulnier has a long history of public service, having previously held various elected positions at the local and state levels. His political career has been marked by a focus on environmental issues, public health, and community welfare.

Early life and career

Mark DeSaulnier was born on March 31, 1952, in Lowell, Massachusetts. He is the son of Edward Joseph DeSaulnier Jr. and Virginia Ann DeSaulnier (née Burke) and was raised in a Roman Catholic family. He completed his undergraduate education at the College of the Holy Cross, earning a Bachelor of Arts degree in history in 1974.

In the early 1970s, DeSaulnier's family faced a significant challenge when his father, a Massachusetts Superior Court judge, became embroiled in a scandal. This event prompted DeSaulnier to relocate to California, where he settled in Concord. In California, he engaged in various occupations, including working as a probation officer, truck driver, and hotel services employee. He also ventured into the restaurant business, owning and operating several establishments in the San Francisco Bay Area. DeSaulnier was previously married to Melinda Clune, but the couple later divorced.

DeSaulnier's political career began in Concord, where he was appointed to the Concord Planning Commission in 1988. His political engagement deepened when he was elected to the Concord City Council in 1991, serving as mayor in 1993. His involvement in local governance also included participation in the University of California Toxic Substances Research and Teaching Program Advisory Committee.

In 1994, DeSaulnier was appointed to the Contra Costa County Board of Supervisors by Governor Pete Wilson, who was a fellow Republican at the time. He was subsequently elected to the board in 1994 and re-elected in 1998 and 2002. During his tenure, he gained recognition for his work on environmental regulations, sponsoring the Industrial Safety Ordinance and the Refinery Flare Rule aimed at improving safety and reducing emissions from local refineries and chemical facilities. DeSaulnier also served on various executive boards, including the Association of Bay Area Governments, the Bay Area Air Quality Management District, and the Metropolitan Transportation Commission. His commitment to environmental issues was further demonstrated during his time on the California Air Resources Board from 1997 to 2006, where he supported initiatives for cleaner air and reduced emissions.

House tenure

DeSaulnier was first elected to the U.S. House of Representatives in 2014, officially beginning his term in January 2015. He has since been re-elected multiple times, with his current term set to end on January 3, 2027. Throughout his congressional career, he has represented a significant portion of Contra Costa County, a suburban area in the East Bay region of California.

During his time in the House, DeSaulnier has continued to advocate for environmental protection, public health, and community development. His legislative work reflects a commitment to addressing issues that impact his constituents and the broader California community. He has participated in various initiatives aimed at improving infrastructure, healthcare access, and environmental sustainability.

DeSaulnier's transition from state politics to the federal level marked a continuation of his long-standing commitment to public service. His experience in local and state government has informed his approach to legislation in Congress, where he seeks to address both local concerns and national issues.

Legislative focus and committees

In the U.S. House of Representatives, Mark DeSaulnier has focused on a range of legislative priorities, particularly those related to environmental protection, public health, and economic development. His background in local governance and state legislation has equipped him with the knowledge and experience to navigate complex policy issues effectively.

DeSaulnier has served on several committees during his tenure in Congress, where he has worked on legislation that aligns with his interests and the needs of his constituents. His committee assignments have allowed him to engage in discussions and initiatives that address critical issues such as transportation, healthcare, and environmental regulations.

Throughout his congressional career, DeSaulnier has been involved in various legislative efforts aimed at improving air quality, promoting sustainable practices, and enhancing public health initiatives. His advocacy for environmental issues is particularly notable, as he has consistently supported measures to reduce emissions and promote cleaner energy sources.

In addition to his environmental focus, DeSaulnier has also been active in promoting education and youth programs. His legislative efforts have included initiatives aimed at improving access to education and addressing childhood obesity, truancy, and mental health issues among young people.

DeSaulnier's legislative work reflects a commitment to addressing the needs of his constituents while also contributing to broader national discussions on pressing issues. His experience in local and state government has provided him with a unique perspective on the challenges faced by communities, which he seeks to address through his work in Congress. As he continues to serve in the House, DeSaulnier remains focused on advancing policies that promote the well-being of his constituents and the environment.

Committees & roles

  • House Committee on EthicsRanking Member · since 2025
  • House Committee on Education and WorkforceMember · since 2025
  • House Committee on Transportation and InfrastructureMember · since 2025

Notable legislation

Sponsored and co-sponsored legislation for Mark DeSaulnier is pending operator curation. The biographical narrative above carries the same provenance trail until per-bill rows are written.

Sources

  1. [1]https://en.wikipedia.org/wiki/Mark_DeSaulnierWikipedia · retrieved 2026-06-04

Notable quotes

Sourced quotes for Mark DeSaulnier are pending operator curation. Narrative-scope provenance remains attached below.

Sources

  1. [1]https://en.wikipedia.org/wiki/Mark_DeSaulnierWikipedia · retrieved 2026-06-04

Key positions

Curated policy positions for Mark DeSaulnier are pending operator review. The biographical narrative above carries the same provenance trail until per-topic positions are written.

Sources

  1. [1]https://en.wikipedia.org/wiki/Mark_DeSaulnierWikipedia · retrieved 2026-06-04

Terms served

  1. 20152017U.S. House · Term 1 · Democratic
  2. 20172019U.S. House · Term 2 · Democratic
  3. 20192021U.S. House · Term 3 · Democratic
  4. 20212023U.S. House · Term 4 · Democratic
  5. 20232025U.S. House · Term 5 · Democratic
  6. 20252027U.S. House · Term 6 · Democratic

Sources & provenance

Every attributable claim above carries a per-section [N] marker that resolves to the corresponding URL below. Each entry records the upstream provider, the canonical URL, and the timestamp at which the source was retrieved by the ingest pipeline.

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