Geoff McMahon


It’s about the work – important work for amazing clients with dedicated and talented coworkers and partner firms. That’s what it’s all about and why I am here and enjoying it every day.”

Many people do not realize the creative potential of a career in engineering. I have opportunities every day to synthesize new approaches from past experiences and develop whole new concepts from first-principal engineering concepts, all while advancing our clients’ objectives throughout the United States and beyond. AEI's culture supports and encourages this creativity individually and within our project teams, and I consider myself lucky to be a part of it.

Geoff McMahon joined AEI Seattle in 1991 and became a principal in 1995. He leads our Seattle office and provides support and leadership to AEI’s five West Coast offices.

Geoff has planned and led many large and complex projects throughout the U.S. and abroad, including research campuses for Amgen in the Northwest, a large oil company in Colorado, and an academic research campus in Saudi Arabia. Additionally, he has directed large healthcare projects for the British Columbia Health Authority, Peace Health in Oregon, and the National Institutes of Health in Maryland. He brings a strong understanding of the key issues involved in the master planning and design of these complex and technically driven facilities.

An ardent advocate of sustainable design, Geoff played a leadership role in the execution of the largest LEED Platinum research campus in the world — the KAUST campus in Saudi Arabia (over five million square feet). Furthermore, he held an integral role in the design and deployment of one of the most extensive applications of chilled beams in the United States.