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Alexa M. Shasteen

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Click to Email: ashasteen@martenlaw.com

Alexa Shasteen’s practice focuses on environmental, natural resources, and land use litigation, as well as environmental and product compliance and permitting. She helps private and public clients navigate complex issues involving environmental remediation and cost recovery; products safety; water quality and water rights; renewable energy development; and other federal, state, and local environmental laws and regulations.

Prior to joining Marten Law, Alexa clerked for the Hon. Joel H. Bolger of the Alaska Supreme Court and the Hon. William Jay Riley of the United States Court of Appeals for the Eighth Circuit. As a law clerk, Alexa assisted with all aspects of appellate litigation, including pre-argument or pre-conference analysis and drafting legal opinions.

Alexa earned her Juris Doctor, cum laude, from Harvard Law School, where she was an editor on both the Environmental Law Review and the Law and Policy Review. While in law school Alexa participated in the Emmett Environmental Law and Policy Clinic and the Green New York Clinic, through which she externed with the New York City Law Department's Environmental Law Division. She also spent a summer clerking for the U.S. EPA in the Special Litigation and Projects office in Washington, D.C.

Prior to law school, Alexa worked as a legislative aide in the Nebraska Legislature. Alexa received her Bachelor of Arts, with high honors, from the University of Nebraska-Lincoln in political science and history.


  • Associate, Marten Law LLP, Portland, Ore. (April 2017–present)
  • Associate, Gordon & Polscer, LLC (September 2016-April 2017)
  • Law Clerk, Chambers of Hon. William Jay Riley, United States Court of Appeals for the Eighth Circuit, Omaha, Nebr. (August 2015-September 2016)
  • Law Clerk, Chambers of Hon. Joel H. Bolger, Alaska Supreme Court, Anchorage, Alaska (September 2014-August 2015)


  • J.D., cum laude, Harvard Law School
  • B.A., Political Science and History, University of Nebraska-Lincoln

Admitted to Practice

  • Oregon

Professional and Community Activities

  • Environmental and Natural Resources Section; Agriculture Section—Oregon State Bar Association
  • Multnomah County Bar Association
  • Oregon Water Resources Congress State Affairs Committee
  • Oregon Women Lawyers
  • Oregon Editor, Western Water Law & Policy Reporter


  • Western Water Law & Policy Reporter
    • Oregon Court of Appeals Rules Department of State Lands Must Find Public Need Before Issuing Wetland Removal Fill Permit, February 2019
    • Oregon DEQ Reaches Agreement with Environmental Groups to Reduce Clean Water Act Permit Backlog, January 2019
    • Oregon Department of State Lands to Update Compensatory Mitigation Rule, December 2018
    • Federal Appeals Court Rejects Challenges to Oregon Motorized Mining Moratorium, November 2018
    • Oregon Supreme Court Upholds Port of Coos Bay Marine Terminal Permit, October 2018
    • Federal Court Rejects Challenge to Pelton Round Butte Hydroelectric Project Operations, September 2018
    • Oregon Department of Environmental Quality Issues Revised Western Hood Subbasin Temperature Total Maximum Daily Load, April 2018
    • Under Threat of Lawsuit, Federal Wildlife Services Program Agrees to Suspend and Evaluate Oregon Aquatic Mammal Damage Management Program, March 2018
    • Climate Change and Water Supply in Oregon, February 2018
    • Oregon Implements Changes to Clean Water State Revolving Fund Rules, December 2017
    • United States District Court for the District of Oregon Stays Challenge to Mining Moratorium Pending Ruling by Ninth Circuit in Bohmker v. Oregon, November 2017
  • Oregon State Bar Environmental and Natural Resources Section Case Notes
    • Bohmker v. Oregon, Fall 2018
    • Northwest Environmental Advocates v. EPA, Summer 2017
    • Oregon Wild v. Cummins, Spring 2017
  • Oregon Federal Bar Association “For the District of Oregon” Newsletter
    • Ninth Circuit Rejects Preemption Challenge to Oregon Motorized Mining Ban, Winter 2018/2019