Barrett Moulton
Yard Superintendent
Nik Anderson
Project Executive
P.E.
Nik combines engineering expertise with a practical understanding of project delivery, helping clients and project teams navigate the technical challenges that come with today's most sophisticated facilities. His experience from the owner, engineer, and contractor perspectives gives him a unique ability to connect stakeholders and drive successful outcomes across advanced technology, industrial, alternative energy, and mission critical projects. A licensed Professional Engineer, Nik is known for his collaborative approach, technical leadership, and commitment to building strong teams. Outside of work, he enjoys hiking, biking, camping, and travel, having visited 22 countries with Africa and Antarctica still on his bucket list.
Tess Wakasugi-Don
Principal
LEED AP
Tess has built her career at GLY, from humble beginnings as an intern, advancing steadily to a promotion in 2019 to firm principal. She is a dedicated, selfless leader who pays careful attention to every project’s specific vision, technical complexities, and goals. Tess is very effective at coordinating the efforts of design professionals, construction teams, corporate stakeholders, and owners while integrating various service providers into project delivery. She chairs GLY’s internal DEI committee, which focuses on social equity education, employee engagement, and strategies to improve diversity and inclusion on GLY’s projects. Her three young sons inspire her daily to feel empowered, to work hard, and to make time for fun.
Ben Hamm
Project Executive
Assoc. DBIA™
Ben honed his exceptional leadership skills during his first calling as a high school English teacher, coach, and director of admissions. Patient, communicative, and adaptable to change, the AEC industry scored big when he decided to switch gears and earn another degree, this time in Civil Engineering. Progressing from Project Engineer to Project Executive at GLY, he continues to leverage his diverse background—listening intently to clients and teammates prior to making critical decisions. Hailing from Western New York, where cows outnumber residents, Ben remains a loyal Buffalo sports fan—Go Sabres and Bills!
Jeff Crawford
Principal+Healthcare/Life Science
Jeff is a Principal at GLY and leads the firm’s healthcare and life science market sector. He specializes in alternative delivery models and brings strong expertise in preconstruction planning and estimating for everything from large hospital campus expansions to critical equipment replacement. With a BA in Architectural Studies from the University of Washington and nearly two decades at GLY, Jeff combines his design background with project management skills to guide teams on highly technical, complex facilities. Outside of work, he enjoys playing basketball, running, and hiking with his family.
Steven Siler
General Foreman
Steven is a detail-oriented professional known for his resourcefulness, problem-solving abilities, and strong communication across diverse teams. With experience leading work, maintaining schedules, and overseeing quality assurance, he brings a well-rounded, hands-on approach to every project. Steven’s career began with lutherie—the art of crafting stringed instruments—which sparked his passion for woodworking and led him to run a custom cabinet business in Arizona for over a decade. After relocating to the Seattle area, he joined the Carpenters Union in 2016 and continues to build a career grounded in craftsmanship and service. Outside of work, Steven is an accomplished musician who plays drums for the Seahawks [while playing a wide variety of other instruments at home as well] and has traveled to over 24 countries.
Andrew Ellis
Design Manager
AIA, Assoc. DBIA™
Andrew spent 14 years immersed in his original calling: Architecture. He found that the most enjoyable and rewarding moments occurred while collaborating with builders. Deciding to blend two passions together—design and construction—Andrew now leverages robust VDC tools to better understand, communicate, and help execute a project’s design intent. Simply put, he constructs the building virtually to iron out any wrinkles before it’s built in the field. Outside the office, Andrew can’t get enough of the mountains. The numbers speak for themselves. He’s made his way to the summit of Mount Rainier via 16 different routes!
Cassie Withrow
Executive Administrator+Administrative Services Manager
Excellent customer service comes naturally to Cassie, who approaches every task with a can-do attitude. As Executive Administrator, she enjoys working with people that encourage her and test her limits but allow her to have fun along the way. She manages her time—and many others’—with extraordinary ease and keeps things running like a well-oiled machine. Outside the office, you’ll find Cassie hiking, exploring the city, and when the sun comes out, boating on Lake Washington—all with her husband and pups by her side.