

Chelsea Dwyer Petersen
- Seattle
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Chelsea is known for achieving timely, efficient resolutions for class-action clients.
Employment litigator Chelsea Dwyer Petersen emphasizes complex class-action litigation, pay equity audits, and high-level workplace investigations. She proactively defends clients against discrimination and wage-and-hour class actions as well as collective-action cases. Her experience spans all phases of class cases, from early strategic assessment to trial.
Chelsea represents employers in claims raised to state and federal enforcement agencies and filed in state and federal court.
In workplace investigations, Chelsea serves as a neutral investigator while advising clients on critical litigation defense and media strategies. She guides corporate boards, legal departments, and human resources professionals through investigations from allegation through conclusion.
As a trainer and counselor, Chelsea helps clients minimize litigation risk through trainings and by creating employment handbooks and business policies. She helps employers comply with federal and state statutes, such as the Fair Labor Standards Act, Title VII, the Americans with Disabilities Act, the Washington Law Against Discrimination, and the Washington Minimum Wage Act.
Education & Credentials
Education
- Seattle University School of Law, J.D., cum laude, 2002
- University of California, Berkeley, B.A., 1994
Bar and Court Admissions
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Washington
- U.S. Court of Appeals for the Ninth Circuit
- U.S. District Court for the Eastern District of Washington
- U.S. District Court for the Western District of Washington
Related Employment
- Perkins Coie LLP, Seattle, WA, Summer Associate, 2001
- King County Prosecutor’s Office, Seattle, WA, Extern, Most Dangerous Offenders Project, Summer 2000
- Perkins Coie LLP, Seattle, WA, Client Relations Coordinator, 1996-1999; Big Deals of Washington publication researcher, 1999-2002
Professional Recognition
Listed in Best Lawyers in America: Litigation - Labor and Employment, 2018-2025
Washington Super Lawyers "Rising Star," 2008-2012
Impact
Professional Leadership
- Washington Employment Law Letter, Co-Editor
- Parent Affinity Group, Perkins Coie, Founder and Former Chair
- Actions Specialty Group, Perkins Coie, Former Chair
Community Involvement
- Girls on the Run of Puget Sound, Board of Directors