Our Team

At OAC, our mission is to serve our clients and communities as trusted partners. We work to design, build, and improve where people live, work, learn and play. The OAC team consists of professionals selected for excellence in their chosen fields.  Our collective dedication to customers, leadership, and communication are the basis of our services.
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Dan Chandler

Principal

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Lee Dunham

Principal

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Randy Hart

Principal

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Steve Johnson

Principal

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Shawn Mahoney

Principal

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Jason Porter

Principal

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Derek Rae

Principal

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Kasey Wyatt

Principal

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Dan Chandler

Principal

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Lee Dunham

Principal

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Randy Hart

Principal

view bio >
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Steve Johnson

Principal

view bio >
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Shawn Mahoney

Principal

view bio >
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Jason Porter

Principal

view bio >
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Derek Rae

Principal

view bio >
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Kasey Wyatt

Principal

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OAC Feed

Blog Posts

Jeff Jurgensen & Jonathan Miller Receive Community Leadership Awards

Congratulations to Jeff Jurgensen and Jonathan Miller for receiving Community … Read more >

Blog Posts

The Steve Ballmer GIX Building wins Technology Development of the Year Award

OAC Service’s project – the Steve Ballmer Global Innovation Exchange … Read more >

Projects

JUANITA HIGH SCHOOL EXPANSION AND REBUILD

Through a $398 million bond measure, the project team initiated … Read more >

Projects

TAHOMA HIGH SCHOOL AND REGIONAL LEARNING CENTER

The new Tahoma High School and Regional Learning Center is … Read more >

Projects

LIBERTY CREEK ELEMENTARY

A new, 74,000-square-foot, three-wing school intended as a prototype for … Read more >

Projects

LAKE WILDERNESS ELEMENTARY SCHOOL REPLACEMENT

The new, 90,000-sf school replaces an aged, outdated facility that … Read more >

Construction Management. Architecture. Engineering.

OAC has a history of success with specialized design and construction because we love what we do. We serve our clients as collaborators, and we design and manage projects that improve where people live, work, learn and play. Because of this, we’ve gathered a superlative staff of professionals who share our core values, and our vision – do what we love in the service of people who love what we do.