Geomorphology | Restoration | Data-Driven Solutions


Gregory Stewart, PhD, LG
Principal Geomorphologist
Licenses & Education
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Professional Geologist – Washington (#24032715)
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Remote Pilot – Washington (#5097186)
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WSDOT Fish Passage & Stream Restoration Design Training (#FPT22-43477)
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PhD, Geology – Oregon State University
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MS, Watershed Science – Colorado State University
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BS, Environmental Studies – The Evergreen State College
Background
Gregory Stewart is a licensed geologist with more than 30 years of experience as a fluvial geomorphologist, including 25 years leading scientific studies that evaluate hydrologic and geomorphic responses to land and water management. He also brings 20 years of experience teaching as an adjunct professor, with a focus on GIS and spatial analysis.
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His expertise includes mass wasting and geomorphic process analysis; remote sensing and quantitative data analysis using Python, R, and GIS; and topographic and bathymetric surveying with RTK GNSS, sonar, and LiDAR. He is also highly experienced in hydrologic and hydraulic modeling across a range of river systems.
Gregory provides analytical support and technical consulting on study design, spatial and statistical analysis, and research methodology. His clients include the Washington Department of Natural Resources, the Washington Department of Fish and Wildlife, and multiple Northwest Tribal Governments.
Work Experience
September 2025 - Present
December 2022 - March 2024
January 2023 - Present
March 2024 – September 2025
February 2009 – December 2022
Fluvial Geomorphologist
Collective Betterment Environmental
Wenatchee, Washington
Adjunct Faculty
Wenatchee Valley College
Wenatchee, Washington
Senior Managing Geomorphologist
Anchor QEA
Wenatchee, Washington
CMER Geomorphologist
Northwest Indian Fisheries Commission
Olympia, Washington

