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Jason Simmons

Jason Simmons
Trial Attorney

Professional Experience

Jason is a highly accomplished trial lawyer and a passionate advocate for his clients. He has dedicated his career to helping people harmed by others.

Before joining Rossi Vucinovich, Jason spent over 15 years as a Senior Prosecuting Attorney in King County where he was personally responsible for prosecuting many of King County’s highest-profile murder and sexual assault cases. As a member of the homicide unit, Jason earned a sterling reputation by successfully taking some of the most difficult cases and dangerous offenders to trial. Because of his extensive trial experience and knowledge, Jason has frequently been invited to train other attorneys.

Now at Rossi Vucinovich, Jason is dedicated to helping individuals and families who have suffered injury or death due to the actions of others. Jason approaches every case with a mix of compassion, expertise, and tenacity, all with a singular focus on the well-being of his clients. Jason takes great pride in helping individuals and families recover compensation for their injuries while holding the powerful accountable for their conduct.


  • Seattle University School of Law (J.D., 2007 cum laude)
  • Lewis and Clark College (B.A., 2002)

Admitted to Practice

  • Washington State Courts
  • United States District Court, Western District of Washington
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