April 30, 2025

Radial Engineering

Tetreault

Skelton

Chamberlain

Gibson

Anderson

Radial Engineering, founded by Ryan Anderson and Evin Gibson, is a new Seattle-based structural engineering firm, launched in January.

The firm partners with architects, contractors, developers, public agencies, and homeowners to deliver technically sound solutions across a wide range of project types.

The team specializes in structural engineering services that help create safe, functional, and visually compelling spaces.

Expertise includes:

• Residential – Custom homes, remodels, additions, DADUs, and seismic retrofits

• Mixed use – Low-income and transitional housing, townhomes, and market rate apartments

• Modular structures – Rapid-deployable, long-span, extreme-environment, and blast-resistant buildings

• Commercial – Tenant improvements, new construction, and rooftop mechanical support

• Site structures – Stormwater detention vaults and ponds, site retaining walls, and shoring walls

• Existing structures – Adaptive reuse, unreinforced masonry (URM) retrofits, and historic preservation

• Building assessments – Damage assessment, repair recommendations, seismic evaluations, and foundation reviews

• Special projects – Art installations, shipping container buildings, and fire escape confidence testing

The Radial Engineering team includes:

• Ryan Anderson, PE, SE, principal

• Evin Gibson PE, SE, principal

• Ethan Chamberlain, EIT, project engineer

• Garrett Skelton, PE, project manager

• Jocelyn Tetreault PE, project manager

To learn more, visit http://www.radial-engineering.com or contact info@radial-engineering.com.