
- B.A. Psychology, University of Washington, 1972
- J.D., Gonzaga University School of Law, 1976
- Federal Bar, Western District of Washington, 1976
- Federal Ninth Circuit Court of Appeals, 1976
- Passed State Bar Examination: State of Washington, 1976

Past and Present
- Judge, Seattle Municipal Court, 1981-Present
- Presiding Judge, Seattle Municipal Court, 1984, 1988, 2007-2008
- Law Offices of Ron A. Mamiya, 1978-1981
- Partner, Whitmore, Douglas Mamiya, 1977-1978
- Associate, Whitmore, Powers Ishikawa, 1976-1977
- Assistant City Attorney and Deputy Prosecutor, City of Spokane, 1976
- Prosecuting Intern, City of Spokane, 1974-1975

Past and Present
- Board member, Asian Bar Association of Washington
- Board member, Northwest School for Hearing Impaired Children
- Board member, State District and Municipal Court Judges' Association
- District Court Weighted Caseload Study
- Judicial Administration Commission
- State Supreme Court appointee
- State Court Interpreter Taskforce
- State Minority Justice Commission - Board member
- State DWI Impact Fund Advisory Committee

- "Working with Interpreters, Immigrants in Courts"
City of Seattle, Municipal Court
Updated on: 12/23/2008
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