In the early 1980s, geologist Louis Lepp had a vision to start a local geologic/geotechnical engineering consulting company by combining and coordinating several of the interrelated geo-science disciplines. Lou reasoned that a fundamental understanding of geology was a necessary basis for understanding how subsurface conditions would influence the engineering design. Geotechnical consulting firms may be focused on the engineering properties of sediments and ignore the important interrelationship between geology and engineering. From this basic concept, AESI has grown into a consulting firm that employs 45 professional geotechnical engineers, environmental engineers, geologists, hydrogeologists, and support staff, with three Puget Sound locations.
AESI specializes in providing geotechnical engineering, hydrogeology, environmental consulting, geology, and low impact development support to clients in both the public and private sectors. Our client group includes housing authorities, municipalities, school districts, colleges and universities, hospitals and master planned communities.
Our success as consultants is founded on our core strengths: Expertise, Service and Responsiveness. Beginning with the end in mind, each project has a clearly defined scope of work, schedule, and budget. We have an extensive in-house reference library, full AutoCAD capabilities, GIS support, and a complete soils laboratory.

Engineering

Geospatial

Associated Earth Sciences, Inc. (AESI)

Associated Earth Sciences, Inc. (AESI)'s headquarters in Kirkland, WA, United States

Bruce Blyton

Misty Green

The Geology and Geotechnical Engineering team at Associated Earth Sciences, Inc. (AESI) is dedicated to analyzing subsurface conditions to inform and enhance engineering design. This multidisciplinary group combines their expertise in geology, geotechnical engineering, and hydrogeology to assess site conditions, evaluate soil stability, and provide tailored environmental consulting. By leveraging their knowledge and advanced technical tools, the team ensures that projects meet regulatory standards while effectively addressing client needs in both public and private sectors.

Geology and Geotechnical Engineering

The Leadership Team at Associated Earth Sciences, Inc. (AESI) is responsible for setting the strategic direction and vision of the company, ensuring alignment with the core values of expertise, service, and responsiveness. Comprised of senior professionals across geoscience disciplines, the team oversees project development, resource allocation, and high-level client relationships while fostering a culture of collaboration and innovation. Their leadership ensures that AESI delivers integrated geotechnical and environmental solutions effectively, meeting the diverse needs of clients in the public and private sectors.

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Associated Earth Sciences, Inc. (AESI)

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Teams

Geology and Geotechnical Engineering

Leadership Team

Offices

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Associated Earth Sciences, Inc. (AESI)

Org chart

Teams

Geology and Geotechnical Engineering

Leadership Team

Offices

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