• (406) 523-3600
  • Missoula, MT
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Mark L. Stermitz  Partner

Mark L. Stermitz is a Partner in the firm's Missoula office and leads the Environmental Practice Group. Mark provides experienced counsel and representation in projects or lawsuits involving federal and state environmental laws such as water quality, air quality, facility siting, endangered species, migratory birds, and site contamination. He also maintains an active civil litigation practice. Mark has tried many cases from inception through a jury verdict, and appeal.

Before joining Crowley Fleck, Mark was with the prominent Los Angeles entertainment and litigation firm Glaser, Weil, Fink, Jacobs, Howard & Shapiro, LLP. His previous experience includes serving as a trial attorney with the Environment and Natural Resource Division of the U.S. Department of Justice in Washington, D.C. Mark was also in-house counsel for the Port of Portland (Oregon). He is licensed to practice in Montana, North Dakota, California, and Oregon and actively practices in those jurisdictions.

Practice Areas

Bar Admissions

  • Montana, 1983
  • U.S. District Court, District of Montana, 1983
  • Oregon, 2002
  • U.S. District Court, District of Oregon, 2002
  • California, 2007
  • U.S. District Court, Central District of California, 2007
  • 9th Circuit Court of Appeals, 2009
  • North Dakota
  • U.S. District Court, District of North Dakota


  • 1983 - J.D., University of Montana School of Law
  • 1980 - B.A., University of Montana

Awards and Honors

Prior Experience

  • Mark Stermitz has thirty years of experience in courtrooms ranging from rural Montana to Washington, D.C. and Los Angeles. Mark's experience includes service as a trial attorney in the Environment and Natural Resources Division of the U.S. Justice Department, and in-house counsel for environmental and land use matters with the Port of Portland, Oregon. Before returning to Montana to join Crowley Fleck, Mark was with the prominent Los Angeles firm Glaser, Weil, Fink, Jacobs & Shapiro.

Professional Affiliations

  • State Bar of Montana
  • Oregon State Bar Association
  • California State Bar Association
  • North Dakota State Bar Association
  • American Bar Association