Karen Kosiarek, P.E.

Karen Kosiarek is a Senior Principal Remediation Engineer based in Montana with more than 22 years of experience focused on the characterization and remediation of soil and groundwater contamination at industrial and commercial properties. Prior to relocating to Montana, Karen practiced in Southern California for 14 years.

For more than 50 brownfield redevelopments, remediation sites, and landfills in Southern California, Karen provided design and consulting services. Her professional practice focuses on site assessment of groundwater, soil, and soil vapor conditions; engineering design for remediation systems; environmental permitting for remediation projects; construction, construction management, and quality assurance of remediation systems; remediation system operations and maintenance issues; and expert consultation in support of litigation.

As a consultant, Karen's site assessment and remediation work has included volatile organic compounds (VOCs); polychlorinated bi-phenyls (PCBs); metals, including hexavalent chromium; petroleum hydrocarbons and fuel oxygenates such as MtBE and TBA; and emerging compounds such as 1,4-dioxane, perchlorate, and NDMA. She relies on her extensive project management experience involving state and federal Superfund programs, state voluntary cleanup programs, and technical interactions with state and local regulators to develop site assessment and remediation strategies that are compliant with regulations while meeting the clients' financial and strategic objectives.

To advance the state of the practice, Karen serves as leadership with various industry organizations, including the Environmental Law Section of the Los Angeles County Bar Association where she served for several years as a member of the Executive Committee. In addition, Karen been an invited lecturer on the topic of brownfield redevelopment by the California Center for Land Recycling at their seminar entitled "Creating Vibrant Communities: Redeveloping California's Brownfields."

Contact Karen Kosiarek at This email address is being protected from spambots. You need JavaScript enabled to view it. or +1-406-656-1260.

Career Summary: Karen Kosiarek, P.E.

  • Specialties: Site Investigation and Remediation; Geoenvironmental Containment and Cleanup Engineering; Geotechnical Infrastructure and Foundation Engineering; Environmental Management Assessment and Systems; Brownfields Redevelopment Planning and Design
  • Practice Areas: Contaminated Site Assessment and Cleanup, Environmental Management, Geotechnical and Geoenvironmental Engineering
  • Disciplines: Civil Engineering, Geoenvironmental Engineering, Geotechnical Engineering
  • Education: M.S., Geotechnical Engineering, University of Texas at Austin, 1996; S.B., Civil Engineering; Massachusetts Institute of Technology, 1995
  • Registration: Registered Professional Engineer, Montana, 20377; Registered Professional Engineer, California, C059218; Registered Professional Engineer, Arizona, C43025; Registered Professional Engineer (civil), Wyoming, 12822; Registered Professional Engineer (civil), Idaho, 14359
Geosyntec Consultants
Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure.

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