Economic Opportunity Institute Staff

Aaron Keating

Managing Director

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Aaron Keating holds a Master of Public Administration from the Evans School of Public Affairs at the University of Washington, and a B.A. in Music from Lewis and Clark College in Portland, OR. Before joining EOI, Aaron worked as Communications and Technology Manager for Port Jobs, Outreach Coordinator for the Center for Environmental Law and Policy, and Program Director at the YMCA of Pierce and Kitsap Counties.

Carolyn Brotherton

Policy Associate - Progressive Revenue

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Carolyn Brotherton holds a BS in Chemistry from Yale University and a PhD in Chemistry and Chemical Biology from Harvard University. Before joining EOI, she worked as the Government Relations Specialist for AFT Washington. Carolyn got into advocacy while helping to organize a union and negotiate a first contract for fellow postdoctoral researchers at the University of Washington. She interned with the Washington State Labor Council during the 2019 Legislative Session. Carolyn believes every billionaire is a policy failure.

Andrea Lopez-Diaz

Development and Operations Associate

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Prior to EOI, Andrea worked in philanthropy, supporting communities in developing and implementing inclusive economic growth strategies in underinvested neighborhoods in California. Previously, she provided technical assistance and helped build capacity for community health worker coalitions across Washington state. She also served as a Program Fellow/Community Organizer for the American Friends Service Committee, addressing systemic barriers that impact communities of color in King County, focusing on the prison industrial complex and racial equity.

Emnet Getahun

Communications Director

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Emnet Getahun holds a BA with an emphasis in Political Economy from The Evergreen State College. Prior to joining EOI, Emnet worked on the LELO Relicensing Programs helping workers regain access to their driver’s licenses and rejoin the workforce; as the Communications Lead for the Prison Doula Project Collective, providing prenatal and labor support to incarcerated pregnant people and as Administrative and Operations Coordinator at Wedgwood Montessori.

Gabriela Quintana

Senior Policy Associate – Family Economic Security

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Gabriela earned a Masters of Social Work from Boston University and a BA in Political Science from the University of Washington. Prior to joining EOI, Gabriela managed her own consulting business where she worked on social and racial justice issues such as the panhandling ordinance in Seattle, the voting restoration rights bill in Olympia as well as on some statewide initiatives such as the domestic partnership and the anti-liquor privatization initiatives.

Hanna Brooks Olsen

Communications and Advocacy Specialist

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Hanna Brooks Olsen is a writer and former journalist. Her reporting work has appeared in The Nation, the Atlantic, Pacific Standard, Fast Company, NPR, Bust Magazine, and the New York Daily News. As a digital communications professional, she works with organizations, individuals, and campaigns to reach new audiences.

Melanie Mazza

Development Director

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Melanie holds a bachelor’s degree from the University of Puget Sound in International Political Economy. She joined EOI in 2018 as a Communications Intern, and then joined the full-time staff as a Development and Operations Associate, and now manages EOI’s development program. Prior to joining EOI, Melanie researched economic empowerment initiatives for smallholder coffee producers in Nicaragua and worked as part of a government initiative to improve English education in Colombian public schools, both with a focus on improving economic security for lower-income populations.

Sam Hatzenbeler

Senior Health Policy Associate

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Sam Hatzenbeler holds a master’s of public health from the Community Oriented Public Health Practice program at the University of Washington. Sam started her work with the Economic Opportunity Institute in 2014 as a graduate policy intern focusing on women’s economic security and now manages EOI’s health policy portfolio. Sam also co-chairs the Health Care is a Human Right policy committee and serves on the Health Equity Technical Advisory Committee as well as the Cascade Care Workgroup for the Washington Health Benefit Exchange. Prior to joining the EOI team, Sam managed an abortion clinic in downtown Seattle, worked as a community organizer at Real Change Homeless Empowerment Project, and spent four years as a women and children’s advocate in the movement to end domestic violence. Sam has a faculty appointment with the Department of Health Services, University of Washington, as a clinical instructor in the School of Public Health.

Summer Stinson

Executive Director

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Summer Stinson has a Juris Doctor from the University of Oregon School of Law and a B.S. from Oregon State University. After graduation, she clerked for the Honorable Johnnie B. Rawlinson, U.S. Court of Appeals for the Ninth Circuit. Summer has over 25 years of experience in human resources and labor, employment, and disability law. Most recently, Summer worked for the Social Security Administration for over a decade where she developed and led national trainings on the Americans with Disabilities Act. Summer has published in the University of Oregon Labor Education Research Center Monograph and the University of Washington Education Law and Policy Review. Her most treasured accomplishment is being a mom to an incoming Seattle Public Schools high schooler. Summer and her son adopted a rescue black lab from Texas and love taking him for urban and rural hikes in Washington.

Traci Underwood

Policy Director

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Traci Underwood holds a Master’s of Social Work from the University of Washington where she focused on public policy and nonprofit administration, and has been working for economic justice for Washingtonians since 2001. She comes to EOI after over 20 years in the movement to end domestic violence, 15 of which were spent at the Washington State Coalition Against Domestic Violence (WSCADV). There Traci coordinated their Economic Justice Project which aims to promote financial security and dignity for survivors by monitoring policy and practice pertaining to public benefits, labor, and housing; collaborating with anti-poverty groups; and supporting the economic stability of survivors through community partnerships and action.

Board of Directors

Michael Tamayo


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Michael is Vice President of the Seattle Education Association.

Mary Curry


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Mary Curry is an early learning professional and advocate, and has served Washington families for over 40 years.

Stan Sorscher


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Stan Sorscher is a Labor Representative at the Society for Professional Employees in Aerospace (SPEEA), and previously worked as a physicist at Boeing. Stan has been an EOI board member since 2007.

Andrew Gordon

At-Large Executive Committee

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Andrew Gordon is a retired professor of Public Policy at the Evans School of Public Policy at the University of Washington. Andrew has been a member of EOI’s board since 1998.

Dawn Trudeau

At-Large Executive Committee

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Dawn Trudeau spent 20 years in the software industry, is co-owner of the Seattle Storm, and is a member of many boards and community organizations in Seattle. Dawn has been a member of EOI’s board since 2006.

Matt Loschen

At-Large Executive Committee

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Matt Loschen is retired, and has served on EOI’s board since 2009.

Algernon Austin

Board Member

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Algernon Austin is the Director for Race and Economic Justice at the Center for Economic and Policy Research. He is also a former a Senior Researcher at the NAACP Legal Defense Fund’s Thurgood Marshall Institute, and former director of the Economic Policy Institute’s Program on Race, Ethnicity, and the Economy (PREE).

April Berg

Board Member

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April Berg is a member of the Washington State House of Representatives, representing District 44-Position 2.

April Sims

Board Member

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April Sims is the secretary treasurer of the Washington State Labor Council.

Elizabeth Woody Lindquist

Board Member

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Elizabeth is a practicing attorney and owner of Lindquist Law, PLLC in Seattle, Washington.

Tammy Morales

Board Member

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Tammy Morales is a member of the Seattle City Council, representing District 2 in Washington.

Tarra Simmons

Board Member

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Tarra Simmons is an attorney, and member of the Washington State House of Representatives, representing district 23-Position 1. She is a formerly incarcerated mother working to end mass incarceration and its many collateral consequences.