CollinsWoerman is a full-service architecture, interior design and planning firm, established in Seattle in 1988. We specialize in several markets:  Healthcare, Commercial/Mixed-Use, and Science and Technology Architecture; Interior Planning and Design; Urban Planning and Design; and Sustainable Development. Our staff of 75 consists of architects, planners, designers, entitlements specialists, technical architects, interior designers, CAD specialists and LEED® Accredited Professionals.

In the firm’s 27-year history, CollinsWoerman has successfully delivered more than 40 million square feet of buildings with a construction value of over $3 billion using our integrated team delivery process. Our work reinforces culture, promote identity, and enhance organizations and municipalities. We specialize in turning vision into reality. With collaboration-based processes, we facilitate efficiency, sustainability, functionality and identity by delivering smart, inspired experiences.

CollinsWoerman is equally-owned by Arlan Collins and Mark Woerman, who serve as Principals and co-owners. Principal Phil Giuntoli leads our Healthcare area of practice and Steve Moddemeyer serves as Principal of Sustainable Development and Planning. Our senior leadership also includes Tim Bissmeyer, Associate Principal; Lee Redd, CFO; and Elizabeth Morgan, Director of Business Development.

Examples of Projects

  • Swedish Issaquah Hospital and Medical Center
  • Group Health Cooperative Puyallup Medical Center
  • Urban Union
  • 400 Dexter
  • Advanta Office Commons
  • 2200
  • 428 Westlake
  • Benjamin D. Hall Interdisciplinary Research Building
  • Downtown Bellevue Implementation Plan
  • Yesler Terrace Neighborhood Master Plan

Established: 1988



710 Second Avenue Suite 1400 Seattle, WA 98104

Phone: (206) 245-2100

Fax: (206) 245-2101