Elections Nguyen announced his candidacy for the
34th district senate seat in May 2018, shortly after incumbent
Sharon Nelson decided to retire at the end of her term. also launching a
podcast series to attract other potential candidates. Nguyen finished at the top of the primary with 31 percent of the vote, ahead of ten other candidates, and advanced to the general election alongside
Shannon Braddock, a staffer to
King County Executive Dow Constantine, and later his successor. Nguyen, who ran as a Democrat, campaigned on a platform that focused on
housing affordability, healthcare for all,
public transit improvements, environmental protections, and education reform. His campaign declined to use
PAC funding, raising half as much as Braddock's campaign. He became one of the first two Vietnamese American legislators to be elected to the
Washington State Legislature, alongside
My-Linh Thai from the
41st district. In April 2021, he announced a campaign for
King County Executive against three-term incumbent
Dow Constantine. Constantine led Nguyen by 20percentage points in the primary election; both candidates advanced to the general election. Nguyen lost in the general election with 44percent of the vote.
Legislative tenure In March 2020, Nguyen sponsored, and the legislature passed, a bill curtailing the use of facial recognition by the government and required government agencies to report facial recognition usage. In April 2020, Nguyen sponsored, and the legislature passed, a bill expanding access to Washington State's Temporary Assistance for Needy Families Program, allowing families without regular housing to receive funds for more than the allotted 60 days. In April 2021, Nguyen sponsored, and the legislature passed, a bill (SB 5055) transforming
arbitration over police disciplinary actions in Washington state. Under the new framework, the Washington State Public Employment Relations Commission must create and appoint a roster of 9 to 18 new arbitrators who are then in charge of all discipline arbitrations for police covered by a
collective bargaining agreement. The new law also provides more transparency to the public by collecting in one place all police discipline-related arbitrations and making those decisions available to the public.
Post-senate career In December 2024, governor-elect
Bob Ferguson announced that he intended to appoint Nguyen as the director of the
State Department of Commerce. Nguyen resigned from the state senate on January 15, 2026, and took office as director the same day. Nguyen announced in December 2025 that he intended to resign. He was appointed as the president and chief executive officer of the
Seattle Metropolitan Chamber of Commerce in January 2026. ==Personal life==