Katie Wilson Bio
Katherine Barrett Wilson, known publicly as Katie Wilson, is an American politician and activist serving as the 58th mayor of Seattle, Washington. A progressive leader and self-described democratic socialist, she took office on January 1, 2026, after a narrow victory over incumbent mayor Bruce Harrell in the November 2025 general election. She previously co-founded the Transit Riders Union in 2011 and served as its executive director, focusing on public transportation access, workers’ rights, and affordability. Wilson is a member of the Democratic Party and has emerged as one of the most prominent progressive voices in Pacific Northwest municipal politics.
Early Life and Background
Katherine Barrett Wilson was born on July 12, 1982, in Binghamton, New York. She was raised by her parents, Anne Barrett Clark and David Sloan Wilson, both of whom are evolutionary biologists. Growing up in an academic household in upstate New York shaped her early interest in policy, public systems, and civic engagement.
Wilson graduated in 2000 as salutatorian from Binghamton High School. She went on to study physics and philosophy at Balliol College, Oxford, in England. Six weeks before her final honors examinations, she withdrew from the program and relocated to Seattle in 2004.
Path to US Politics
After moving to Seattle, Wilson held a series of jobs, including work in boat repair, construction, and as an office assistant, while becoming involved in local activism. In fall 2011, she co-founded the Seattle Transit Riders Union, a nonprofit 501(c)(4) organization focused on improving public transportation across Seattle and King County. The organization emerged in response to a proposed 17 percent cut to King County Metro and the elimination of the downtown fare-free zone.
Wilson became a paid full-time employee of the Transit Riders Union in 2019 and also served as its executive director and board president, the latter as an unpaid role. Tax records indicate she earned approximately $73,000 from the nonprofit in 2022. She also contributed columns to Cascade PBS and The Stranger, expanding her influence in regional policy debates.
Katie Wilson Career
Early Career (2011–2018)
Wilson’s early advocacy centered on transit equity and workers’ rights. In 2014, she and the Transit Riders Union successfully lobbied King County to create the ORCA Lift program, which provides reduced fares for low-income riders. The organization also campaigned for minimum wage increases in Burien, SeaTac, and Tukwila, along with expanded renters’ rights.
Throughout this period, Wilson built a reputation as a coalition builder between labor, tenant, and transit advocacy groups. Her work laid the foundation for her later policy achievements and positioned her as a leading voice in Seattle’s progressive movement.
Mayoral Campaign Breakthrough (2019–2025)
In 2020, Wilson played a role in the creation of Seattle’s JumpStart tax, a payroll tax on large private employers intended to fund affordable housing. She was later critical of Mayor Bruce Harrell for proposing to redirect JumpStart funds to balance the city’s budget. Wilson also served on Harrell’s Seattle Revenue Stabilization Workgroup, which explored progressive revenue options for addressing Seattle’s budget deficit.
In March 2025, Wilson announced a campaign to challenge incumbent Bruce Harrell for mayor of Seattle. Citing Harrell’s opposition to a February 2025 ballot measure funding housing through business taxes, she ran on a platform emphasizing housing, homelessness, and protecting Seattle from federal overreach. She earned endorsements from every Democratic party organization in the city, all six legislative district Democrats, The Stranger, and PROTEC17, a union representing 3,000 city workers.
In the August 2025 nonpartisan primary, Wilson placed first among eight candidates with 50.9 percent of the vote, while Harrell earned 41.3 percent. Both campaigns raised nearly $500,000 during the primary cycle. Wilson ultimately defeated Harrell in the November 4, 2025 general election by a margin of 0.73 percentage points, the closest mayoral election in Seattle by percentage points since 1906.
Mayor of Seattle Era (2026–Present)
Wilson’s term as the 58th mayor of Seattle began on January 1, 2026, and she was ceremonially sworn into office on January 2, 2026, with local transit union leader Pauline Van Senus administering the oath. Her administration has prioritized housing affordability, expanded transit access, and the protection of immigrant communities.
Since taking office, Wilson has defended Seattle’s Somali community against attacks connected to federal oversight committees, and she has backed local activist networks resisting Immigration and Customs Enforcement arrests in the city. She has also continued her push for progressive tax reform, including proposed taxes on landlords owning vacant properties and a capital gains tax.
Notable Events and Milestones
Wilson’s signature political achievement is her narrow defeat of incumbent Bruce Harrell in 2025, a race that drew national comparisons to Zohran Mamdani’s New York City mayoral campaign. Her creation of the ORCA Lift program, her role in establishing the JumpStart tax, and her leadership of the Transit Riders Union stand as defining milestones in her career.
Katie Wilson Career Wins
Katie Wilson’s career is defined by a series of advocacy and electoral victories in Seattle and King County, ranging from establishing reduced transit fares to winning the mayoralty. Her work has shaped regional debates around housing, taxation, and public transportation.
Electoral Highlights
Wilson’s most significant electoral win came in the November 4, 2025 general election, when she defeated incumbent mayor Bruce Harrell by 0.73 percentage points in the closest Seattle mayoral race by margin since 1906. She also placed first in the August 2025 nonpartisan primary with 50.9 percent of the vote among eight candidates.
Other Wins & Achievements
Wilson’s advocacy led directly to the creation of the ORCA Lift program in 2014 and free ORCA cards for Seattle Public Schools students. She played a key role in the 2020 establishment of the JumpStart tax, and her Transit Riders Union secured minimum wage increases in Burien, SeaTac, and Tukwila.
Katie Wilson Family
Family Background and Public Service Lineage
Wilson is the daughter of evolutionary biologists Anne Barrett Clark and David Sloan Wilson, both of whom pursued academic careers. Her parents’ commitment to scientific inquiry and public scholarship influenced her own path into policy and organizing.
Personal Life
Katie Wilson is married to Scott Myers, an activist whom she met during high school in Binghamton, New York, and the couple married in 2004. They live in a one-bedroom apartment in Seattle’s Capitol Hill neighborhood with their daughter. Wilson does not own a car and primarily rides public transit with her daughter, though she previously used a bicycle for transportation before having a child.