

Markham (Mark) A. Quehrn
- Bellevue
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Mark focuses his practice on energy, water resources, and infrastructure project development.
Mark Quehrn represents private and public sector clients in connection with project development, licensing, regulatory compliance, and decommissioning. He has experience with a wide range energy facilities and infrastructure projects, including energy projects, water supply and water resource projects, linear infrastructure projects, and port and terminal facility developments in the United States and internationally.
Education & Credentials
Education
- University of Michigan Law School, J.D., cum laude, 1982
- University of Washington, B.A., History and Political Science, summa cum laude, Phi Beta Kappa, 1977
Bar and Court Admissions
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Washington
- U.S. Court of Appeals for the Ninth Circuit
- U.S. Court of Appeals for the District of Columbia Circuit
- U.S. District Court for the Western District of Washington
Professional Recognition
Ranked by Chambers USA as “America’s Leading Lawyer” for Energy & Natural Resources, 2023-2024
Listed in The Best Lawyers in America: Energy Law; Environmental Law; Natural Resources Law, 2003-2025
Listed in Washington Law & Politics "Super Lawyers" 2007, 2009, 2011-2015
Impact
Professional Leadership
- National Hydropower Association
- Environmental Law Institute
- Washington State Bar Association
- American Bar Association
- Seattle King County Bar Association
Community Involvement
- Overlake Hospital Foundation and Auxiliaries, Board of Trustees
- Bellevue Chamber of Commerce, Board Member