we believe transportation is a human right.


We are a part of a big vision, one that is bigger than ourselves. Our conviction and commitment comes from the passion we hold for the work we do. We pride ourselves in being problem solvers as well as having a design approach that is collaborative with our clients, stakeholders, and the communities around us. A large part of our process includes iterative design and challenging assumptions to ensure our resulting design is innovative, pragmatic, born out of the problems we seek to solve, and reflects the character of the communities we serve.


Principal, director of design – transportation architecture

leah ephrem

As the leader of the Transportation Architecture studio at HEWITT, connecting communities and people is what motivates Leah. Her passion and careful attention to the specific goals and character of each community is evident in the transportation projects she designs.

With more than 25 years of architecture experience, including over 15 years of urban transit facility design, Leah is helping shape the Puget Sound’s infrastructure as it prepares for anticipated growth and increased mobility demands. She has successfully directed and managed preliminary engineering and final design in architecture and urban design for a large array of transportation projects throughout the region.

connecting communities

We create vibrant Transit Centers that connect neighborhoods and build communities, giving people flexibility in where they are able to live, work, learn, and play.

equitable transit

Our vision is to bring high quality transit stations to every neighborhood and continue to transform our region into a world class transit system that provides equitable transportation options and access for all people.