As a partner at Cowan Kirk Kattenhorn, Mr. Kirk is one of only two attorneys in the State of Washington to pass the Board Certification Exam by the National College for DUI Defense.  Bill was named a "Rising Star" by Washington Law and Politics in 2002 and 2003. Moreover, Bill has also been named a "Super Lawyer" by Washington Law and Politics in 2003, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 and 2015. In 2006, 2007 and 2008 Bill was named one of the 25 Top Defense Attorneys in the State of Washington by the same publication.

Bill is a member of the Board of Regents to the National College for DUI Defense, one of only 12 attorneys in the country to serve in this capacity.  Additionally, Bill is the current President of the Washington Foundation for Criminal Justice, a private organization comprised of this State's best DUI Defense Attorneys.  Bill has spoken in several states (Washington, Oregon, Nevada, California, Georgia, Florida, Louisiana, New York and Massachusetts as well as the Bahamas and the Carribean) in various areas of DUI and BUI defense.