Contact Information

4040 Lake Washington Blvd Ste 300
Kirkland, WA 98033
Office: (425) 822-1220
Toll Free: (425) 822-1220
Fax: (425) 822-8046
Map: Click to Map

About Me

Chairman of the Long Range Planning Committee, Chairman of the Membership Committee, Member of the Website/Social Media Committee, Member of the Board Certification Committee, Member of the Public Relations Committee.


Bill was named to the Board of Regents in the Summer of 2009 and obtained his Board Certification from the National College in 2011.  He currently serves as the Chairman of the Website Committee.  Bill graduated from Washington State University (B.A.) 1992 and Gonzaga University School of Law (J.D.) 1998. He began his legal career with the King County Prosecuting Attorney’s Office in Seattle, WA.  He joined the Cowan Law Firm in 2000 and has practiced exclusively in the area of defending those accused of DUIs and BUIs since then.  Now a partner at Cowan Kirk Gaston, Bill has lectured across the State and the Country on various issues related to DUI Defense. Bill has been named a “Super Lawyer” by Washington Law and Politics in 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 and 2013.  Additionally, the same publication has recognized him as one of Washington’s Top 25 Criminal Defense Attorney’s in 2007, 2008 and 2009. A contributing author to “Defending DUIs in Washington” Lexis Publishing, Bill is a certified instructor in NHTSA Field Sobriety Testing and Drug Recognition Evaluations. He has also been trained by National Patent, the manufacturer of Washington’s breath testing instruments.   in 2013, Bill was elected President of the Washington Foundation for Criminal Justice and is a member of the Washington Association of Criminal Defense Lawyers, King County Bar Association and the American Trial Lawyers Association.


Practice and Cases: