Kathy Godtfredsen, PhD

Kathy Godtfredsen, PhD

Seattle, WA


With over 23 years of experience managing sediment cleanups in urban areas, Kathy is a strong advocate for her clients. She earned her BS in Chemical Oceanography from the University of Washington and her MA and PhD in Environmental Engineering from The Johns Hopkins University. Kathy is recognized for her work in risk assessment, aquatic investigations, regulatory assessment, and liability allocation. Currently, she primarily works on complex sediment sites, leading teams conducting remedial investigation/feasibility studies, assessing historical and current sources of contamination, and updating regulatory approaches.

As a member of the Puget Sound Ecosystem Monitoring Program (PSEMP) Toxics Work Group, Kathy actively participates in addressing environmental issues that affect the Puget Sound area. She is also involved in updating the sediment management regulations and guidance used in Washington State, and she regularly speaks at national conferences on related topics.

When Kathy’s not in the office, she’s likely on her bike, running in the woods, hiking, skiing, or enjoying the peaceful life on beautiful Bainbridge Island.