Sen. Mark R. Warner is running for re-election to the U.S. Senate in Virginia's Nov. 3, 2026, general election. Warner, a Democrat, has held the seat since 2009.

He faces Republican Bert Mizusawa. Both candidates are certified for the ballot, according to BallotReady election data.

Warner's seat covers all of Virginia, including Reston and the rest of Fairfax County. Virginia's two U.S. senators vote on federal legislation, confirm judges and executive appointments, and ratify treaties.

Candidate information

  • Name: Mark R. Warner
  • Party: Democratic
  • Born: Dec. 15, 1954, in Indianapolis, Indiana
  • Education: Bachelor's degree in political science, George Washington University, 1977; law degree, Harvard University, 1980
  • Family background: First in his family to graduate from college, according to the National Governors Association

Experience and public service

Warner has served in the U.S. Senate since January 2009, according to his Senate office. As of 2025, he serves as vice chairman of the U.S. Senate Select Committee on Intelligence, according to his Senate biography. He is also a member of the Senate Finance, Banking, Budget and Rules Committees, according to his Senate biography.

Before joining the Senate, Warner served as governor of Virginia from 2002 to 2006, according to BallotReady. He chaired the National Governors Association from 2004 to 2005, according to Wikipedia.

Warner chaired the Democratic Party of Virginia from 1993 to 1995, according to Wikipedia.

In the private sector, Warner co-founded Capital Cellular Corporation in 1989, a company that became Nextel, according to Wikipedia. He also founded and served as managing director of Columbia Capital, a venture capital firm, according to the National Governors Association.

On the issues

Reston Review will update this article if the candidate provides policy positions.

Endorsements

Warner has received the following endorsement, as claimed by the endorser, according to BallotReady:

  • AFL-CIO

Reston Review sent a questionnaire to candidates in this race. This profile is based on publicly available records and reviewed candidate data. It does not reflect an interview or direct questionnaire response from the candidate.