Central Office of Architecture
Central Office of Architecture (COA) was created in 1987 by three architects, Ron Golan, Eric A. Kahn, and Russell N. Thomsen. All three partners are licensed to practice architecture in the State of California. COA is distinguished by its dedication to clear, quality design within an atmosphere of creative, innovative problem solving. The firm has a strong international reputation based on signature innovations within the field of architecture and design.