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April 22, 2026

Ethos Civil

Chin

Spiller

Babb

Dowd

Crum

Ethos Civil brought on Zachary Crum, Brent Dowd and John Babb as shareholders in March, and hired David Spiller and Caleb Chin to their Tacoma office.

Crum has 15 years of experience and has been with the firm since 2023. He manages the firm's Spokane office. One of his current projects is the Neah Bay New School Campus in Cape Flattery, in Clallam County. Dowd has been with the firm since 2023 and has 10 years of experience. The Clover Park Technical College Aviation Shelters is among his current projects. Babb has six years of experience, having been with the firm since 2023. One of his current projects is Tacoma Fire Station 7.

Chin is a professional engineer with four years of experience. His most recent role was at Mott MacDonald which involved construction engineering services for the Federal Way Link light rail extension project. Chin is serving as a civil designer for the Enumclaw New Elementary School #6 progressive design-build project.

Spiller is a professional engineer with over 25 years of site civil experience, having spent the majority of his engineering career at Hatton Godat Pantier, where he contributed to a variety of K-12 and residential plat projects. Spiller is experienced with construction administration services and is serving as a project manager for the Tacoma Power Administration Complex Parking & Storage Improvement progressive design-build project.




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