Mason Koski
Clayton,United States
Overview
1
1
Certification
12
12
years of professional experience
Work History
Western Regional Director
Young Democrats of America Labor Caucus
, CA
08.2026 - Current
- As a proud union member I'm so thrilled to have the opportunity to serve as the Western Regional Director for the Young Democrats of America Labor Caucus
- Representing the states of Alaska, California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington, and Wyoming. I proudly advocate for fellow young dems in the labor movement on the national level
- I also work with our caucuses in each state and other young dem leaders to find ways the national caucus can help uplift ongoing labor issues in our region in the fight for a better future for all
Western Regional Director
Young Democrats of America Indigenous Caucus
, CA
07.2026 - Current
- As a Citizen of the Yavapai-Apache Nation, I'm so proud to serve as Western Regional Director for Young Democrats of America Indigenous Caucus.
- Representing Indigenous Young Democrats in Alaska, California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington, and Wyoming. It is my duty to ensure their voices are being represented on the national level
- In coordinating with young dem leaders in each state, I work to find issues, causes, events, activities, etc. Where the caucus can use its resources to help make a meaningful impact
Secretary of the Labor Caucus
California Young Democrats
, California
07.2026 - Current
- As a proud union member of UFCW Local 5 and grandson of Ironworkers Local 371 & AFSCME Local 3299 union members. I'm so honored to be serving in this position in the largest, oldest, active, and respected caucus within the CA Young Dems.
- As the only rank & file union member on the exec board, I'm grateful to bring the perspective of everyday workers who make our communities & lives run. While working to raise awareness & educate folks, about labor rights, ongoing strikes & organizing movements, and electing Pro-Labor Candidates & Policy here in The Golden State.
Vice President
Contra Costa Young Democrats
, California
02.2026 - Current
- Proudly serving as the inaugural sole Vice-President of the Contra Costa Young Democrats. While also serving as our Young Dem Voting Rep to the Contra Costa Democratic Party. Working to ensure the progressive values of young people here in The East Bay are truly represented in our politics, while fighting to elect strong candidates running to make a positive difference in our community, and pass ballot measures & good policy to make our society better.
Food Clerk
Safeway
Walnut Creek, California
10.2025 - Current
- As a proud union member of UFCW Local 5, I work at Store 3026, as a Food Clerk! Performing a variety of tasks that contribute to the functioning of the store including Checkstand, Self-Checkout, Night & Day Stock, and Drive Up & Go duties as needed!!
Co Founder & Secretary of the International Relations Caucus
California Young Democrats
, California
01.2025 - 02.2026
- I served as the Inaugural Secretary and Co-Founder of this caucus alongside other young activists, critically aware of how foreign policy affects our daily lives — from immigration and environmental justice to the cost of living, housing, healthcare, food access, religious freedom, and universal human rights.
- We strived to help make the California Democratic Party one that genuinely reflects the values, priorities, and shared humanity of young people across the state.
Vice President
Wine Country Young Democrats
, California
08.2023 - 01.2025
- As Vice President of the Wine Country Young Democrats, I advocated for the priorities of young people by promoting progressive policies throughout Sonoma County and the North Coast. I worked closely with legislators, nonprofit leaders, and community organizers to ensure youth voices were meaningfully included in policy discussions and decision-making.
- I also led recruitment initiatives to engage students and young adults, empowering the next generation to take part in shaping a more just and equitable California. While also leading efforts to elect working-class champions and pass ballot propositions aimed at strengthening our communities and advancing collective well-being, through club endorsements, letters of support, and grassroots campaigning.
Delegate for Assembly District 2
California Democratic Party
, California
01.2023 - 01.2025
- I served as an Assembly District Delegate to the California Democratic Party, representing over 185,000 Democratic voters across Del Norte, Humboldt, Mendocino, Northern Sonoma, and Trinity Counties, alongside 13 other progressive leaders.
- As one of only two delegates under the age of 21 among the party's 1,120 members, I proudly represented the most Rural & Native American Populated, assembly district in our state, by fiercely championing progressive policies, ethical party leadership, and meaningful political reform. My work aimed to ensure the party better reflects and serves the diverse voices and values of it's members from every corner of our state.
Paid Canvasser
Sonoma County Conservation Action
, California
10.2024 - 11.2024
- Worked as a paid canvasser for SCCA on various days on behalf of Measure I, Our Kids, Our Future, in the November 2024 General Election.
- Engaged with voters across Sonoma County to provide details about the measure, which sought to raise $30 million for affordable preschool, daycare, and after-school programs, and access to pediatric healthcare for lower-income families, overseen by the First 5 Commission of Sonoma County, via a 1/4 cent tax. Successfully passed with 62.5% of the vote.
Voter Education Ambassador
California Secretary of State
, California
09.2024 - 11.2024
- Served on behalf of the SoS Office, providing assistance, guidance, and civic education to the public regarding the Voting Processes in California Elections. Focusing on spreading awareness about expanded voting opportunities under the California Voter's Choice Act, including how to register, complete, and submit their ballots to ensure they are properly counted.
- This position supported efforts to increase voter turnout, promote public trust in the electoral process, and combat voter disinformation by delivering accurate and accessible information to all.
Campaign Management Assistant
Caroline Banuelos for Santa Rosa City Council
Santa Rosa, California
08.2024 - 11.2024
- Worked as an aide to the campaign management team on a historic and successful city council race. Contributed to a wide range of responsibilities including leading postcard writing, canvassing door-to-door, securing key endorsements, creating campaign flyers, recruiting volunteers, and co-designing campaign materials—such as developing the color scheme for the campaign logo.
- These efforts, in collaboration with a dedicated team, helped elect the first Latina to the Santa Rosa City Council in its 156-year history, winning with a decisive 62.2% of the vote.
Delegate for Santa Rosa Junior College
Student Senate for California Community Colleges
, California
10.2023 - 05.2024
- From October 2023 to May 2024, I served as a student representative for over 16,000 students at Santa Rosa Junior College, participating in regional and statewide meetings of the Student Senate for California Community Colleges (SSCCC).
- During this time, I authored and successfully passed resolutions at the 2024 SCCCC General Assembly on key issues including SCCCC election reform, LGBTQ+ staff training, and campus environmental initiatives.
- Additionally, I engaged in legislative advocacy on policies related to the repatriation of Indigenous artifacts held in school collections, access to free mental healthcare, increased support for housing-insecure students, expanded funding for campus food pantries, and gender neutral bathrooms on school campuses.
SGA Executive Vice President
Santa Rosa Junior College
, California
09.2023 - 05.2024
- Served as Executive Vice-President for the 2023-2024 school year. Where I advocated for the needs, wants, and concerns for 16,000+ Students, serving as a Liaison to our Academic Senate, Student Rep on our College Council, Auxiliary Services, and Disability Services Committees.
- I also worked with our Inter-Club Council in planning campus activities, increasing student engagement, and networking with them and individual clubs on how Student Gov could best support them.
Poll Clerk
County of Sonoma
, California
03.2024 - 03.2024
- Worked for 3 early voting days & election day during the 2024 March Primary Elections. My duties included overseeing the collection and safe storage of ballots and equipment, assisting voters, authorizing and printing provisional ballots, managing the post-election setup, and ensuring accurate ballot counting and reporting and safe delivery to the County Elections Office.
Delegate for College of the Redwoods
Student Senate for California Community Colleges
, California
08.2022 - 06.2023
- From January to June 2023, I represented approximately 8,000 students at College of the Redwoods in both regional and statewide meetings of the Student Senate for California Community Colleges (SSCCC).
- I participated in the 2023 SCCCC General Assembly, where I successfully lobbied for the passage of resolutions addressing key student issues, including access to reproductive healthcare, increased funding for aging campus infrastructure, free public transportation for students, the integration of Diversity, Equity, and Inclusion (DEI) principles into students' 9+1 rights, and the establishment of minimum education requirements for campus police officers.
Student Body President
College of the Redwoods
, United States
08.2022 - 06.2023
- As President of the Student Body Association at CR, I helped revitalize the organization, restoring its relationship with school leaders and the community. Improving the quality and reduced the cost of cafeteria food, repaired broken washers, dryers, sidewalks, benches, and lights, and established a civic engagement coordinator for the election season.
- I also utilized our surplus budget to create an SBA-funded scholarship, an emergency relief grant, a police oversight committee with student representatives, and a trust to accumulate funds for future student government use
Poll Clerk
County of Humboldt
, California
11.2022 - 11.2022
- Worked for 3 days during the 2022 November Midterm Election as a Poll Clerk. My responsibilities included overseeing the collection and safe storage of ballots and equipment, assisting voters, authorizing and printing provisional ballots, managing the post-election setup, and ensuring accurate ballot counting and reporting and safe delivery to the County Elections Office.
- Was additionally fortunate to have received 1:1 training on how to do those various tasks from former 3 term Humboldt County Clerk-Recorder Carolyn Crnich.
Student Educator
Contra Costa County Office Of Education
, California
09.2014 - 06.2017
- I worked as a Student Educator for California's Tobacco Use Prevention Education (TUPE) Program, in collaboration with the California Department of Education and the California Department of Public Health.
- I helped deliver presentations on the dangers of tobacco, e-cigarettes, alcohol, marijuana, and drugs to students and trained teachers and staff on effective engagement strategies. Significantly increasing teacher and staff effectiveness, student awareness, and reduced substance use among participants.
Education
Associate of Arts and Sciences - History, Ecology, Native American Studies
Diablo Valley College
Pleasant Hill, CA06-2027
High School Diploma -
Clayton Valley Charter High School
06-2021
Skills
- Advocacy strategies
- Coalition building
- Voter engagement
- Campaign management
- Community organizing
- Project management
- Legislative research
- Research analysis
- Public speaking
- Communications
Certification
- AB1234 Local Official Ethics Training
Timeline
Western Regional Director
Young Democrats of America Labor Caucus
08.2026 - Current
Western Regional Director
Young Democrats of America Indigenous Caucus
07.2026 - Current
Secretary of the Labor Caucus
California Young Democrats
07.2026 - Current
Vice President
Contra Costa Young Democrats
02.2026 - Current
Food Clerk
Safeway
10.2025 - Current
Co Founder & Secretary of the International Relations Caucus
California Young Democrats
01.2025 - 02.2026
Paid Canvasser
Sonoma County Conservation Action
10.2024 - 11.2024
Voter Education Ambassador
California Secretary of State
09.2024 - 11.2024
Campaign Management Assistant
Caroline Banuelos for Santa Rosa City Council
08.2024 - 11.2024
Poll Clerk
County of Sonoma
03.2024 - 03.2024
Delegate for Santa Rosa Junior College
Student Senate for California Community Colleges
10.2023 - 05.2024
SGA Executive Vice President
Santa Rosa Junior College
09.2023 - 05.2024
Vice President
Wine Country Young Democrats
08.2023 - 01.2025
Delegate for Assembly District 2
California Democratic Party
01.2023 - 01.2025
Poll Clerk
County of Humboldt
11.2022 - 11.2022
Delegate for College of the Redwoods
Student Senate for California Community Colleges
08.2022 - 06.2023
Student Body President
College of the Redwoods
08.2022 - 06.2023
Student Educator
Contra Costa County Office Of Education
09.2014 - 06.2017
Associate of Arts and Sciences - History, Ecology, Native American Studies
Diablo Valley College
High School Diploma -
Clayton Valley Charter High School