Daniel Mensher translates thorough preparation into courtroom success. Dan practices in Keller Rohrback’s nationally recognized Complex Litigation Group with a focus on complex environmental and consumer protection litigation. He enjoys collaborating with his colleagues and clients to identify problems and find creative, convincing solutions.

Dan has litigated important environmental and consumer cases across the country in federal and state court. He’s one of the attorneys representing the City of Tacoma in its fight to hold opioid manufacturers accountable.

Before joining the firm, Dan was an environmental law professor at Lewis & Clark Law School in Portland, Oregon, where he also litigated cases involving toxic waste, water pollution, and natural resource management. He has sat on governmental advisory boards and helped to draft key environmental regulations in place today. Dan uses his passion and experience to protect our environment and the people and communities that rely on clean air, water, and products.