William Dreher

Will Dreher is an experienced trial attorney and former federal prosecutor who has served as lead trial counsel in state and federal courts across the country.  

A partner in Keller Rohrback’s nationally recognized Complex Litigation Group, Will focuses his practice on environmental, public nuisance, and consumer complex litigation, with a particular emphasis on trial work.  Since joining the firm in 2024, Will has served as lead or co-lead counsel in jury trials involving a state’s negligence suit against an e-cigarette maker and individual class members’ damages from the largest set of wildfires in Oregon’s history.

Prior to joining the firm, Will spent over five years prosecuting criminal cases as an Assistant U.S. Attorney in the Western District of Washington.  In that role, Will prosecuted local violent crime, property crime, and environmental crime, and served as the district’s Criminal Civil Rights Coordinator, overseeing the investigation and prosecution of all hate crimes and unlawful uses of force by law enforcement officers.  For three years, he was detailed to the U.S. Attorney’s Office for the District of Columbia, prosecuting felony cases arising out of the January 6, 2021 riot at the U.S. Capitol building.  

Before moving to Seattle, Will litigated clean energy, environmental, and commercial matters at Jenner & Block LLP.  He clerked for Judge Brett Kavanaugh at the U.S. Court of Appeals D.C. Circuit and then for the Justice Elena Kagan at the U.S. Supreme Court.