Tansy Hansen

Senior Project Manager

Seattle, Washington

> Project and construction management
> Cost estimating
> Budgeting
> Scheduling
> Alternative delivery methods

Tansy brings with her over ten years of experience working primarily on school and senior living construction projects ranging from large and complex to many small, concurrent projects.  Her work in both the private and public sector has resulted in experience with public work projects, GCCM and Design-Build.  She provides creative approaches to problem solving, strong communication skills and organization to projects.  In addition to construction project delivery, Tansy is accomplished with FF&E management, owner move coordination, developing and delivering building signage packages and working with AHJ’s.  One of her biggest strengths lies in her ability to coordinate multiple, complex parts and pieces of a project to refine a smooth outcome.

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

OAC's Constructability Review

One of the biggest positive impacts OAC can have for … Read more >


Damon Gardella

PRACTICE AREAS > Project & construction management > Program management … Read more >


Laura DeGooyer

PRACTICE AREAS > Project management > Construction management > Program … Read more >


Joshua Cloud

PRACTICE AREAS > Project & construction management > Lean construction … Read more >

Blog Posts

OAC’s Grace Wong coauthors “Moisture Analysis in Unconditioned Concrete”

OAC’s very own Grace Wong, PE, AIA, LEED AP, coauthored … 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.