Creating and maintaining a positive work environment is an everyday goal at Quantum. It enables employees to work more productively. It enhances creativity, an essential component to good design. This positive environment ultimately flows into every project process, leading to well-designed, successful projects, and long-lasting relationships.


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Founded in 2002, Quantum Consulting Engineers is led by Dan FentonJohn RileyJack Wiggins and Sandro Kodama. They share management duties, thereby allowing them to focus most of their time on project work. They firmly believe in being hands-on partners with design teams - proactive in their communication, problem-solving and positive in nature. Their founding principle, "exceed expectations," permeates the office and is their commitment to each client. 

Associates Scott Tinker and Samson Ng provide vital leadership and technical expertise to both our clients and our staff. They each have many years of experience designing an array of structure types, from small tenant improvements to large commercial buildings. 

Principals 2017 

Principals, John Riley,
Jack Wiggins and Sandro Kodama

Associates 2017

Associates, Scott Tinker and Samson Ng 

Quantum Consulting Engineers - 1511 Third Avenue Suite 323 - Seattle Washington 98101   |   T 206.957.3900   |   F 206.957.3901   |