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Home

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Dwight Hansch Headshot

Dwight Hansch

Superintendent

Brandon Baxter

Senior Estimator

Headshot of Cassie Withrow

Cassie Withrow

Executive Administrator+Administrative Services Manager

Tess Wakasugi-Don

Principal

Demetrios Stamatakis

Senior Project Engineer

Matt Alvarado

Senior Design Engineer

Headshot of Jeff Angehrn

Jeff Angehrn

Senior Construction Engineer

Headshot of Anita Phonexayphova

Anita Phonexayphova

Senior Design Engineer

Headshot of Kevin Eng

Kevin Eng

Chief Estimator

All People

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2026 GLY Construction, Inc.

Brandon Baxter

Senior Estimator

Brandon built his career as a Senior Estimator in the fast-paced Las Vegas construction market, where he developed a reputation for meeting aggressive deadlines without compromising project goals. Beginning his construction journey alongside his father in the grading and excavation industry, he honed his expertise in estimating, value engineering, and guiding projects from design through construction. A lifelong builder at heart, he enjoys bringing the same curiosity and hands-on approach to projects at home, whether it's Legos, video games, or tech-developement.

Headshot of Cassie Withrow

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.

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.

Demetrios Stamatakis

Senior Project Engineer

Known for his unwavering ability to always follow through, Demetrious is motivated by a determination to deliver the best end result to clients. As a Senior Project Engineer, he is organized, proactive, and committed, and finds great reward in his ability to solve the daily challenges that this industry brings. Outside of work he is equally as driven. As a second-generation Greek American, Demetrious has been heavily involved in the Greek church and Greek Language School. He has backpacked across Asia, hiked the Pacific Crest Trail, and, when he's not busy with the responsibilities of parenthood, enjoys rock climbing, hiking, and skiing throughout the Pacific Northwest.

Matt Alvarado

Senior Design Engineer

Headshot of Jeff Angehrn

Jeff Angehrn

Senior Construction Engineer

Jeff’s building career began in 1995 and he’s simply one of the best when it comes to complex structures; it’s been said that he’s memorized every detail of every sheet of every project he’s worked on. Plus, he’s repeatedly recognized by his teammates as an exceptional mentor. He holds a BS in Construction Management from Central Washington University. Off the jobsite, Jeff’s an adventurous spirit who enjoys time with family and friends, traveling, boating, snowmobiling, off roading, fishing, and hunting in the remote wilderness.

Headshot of Anita Phonexayphova

Anita Phonexayphova

Senior Design Engineer

LEED AP

Anita began her career in architecture and has since migrated to the construction world where she enjoys collaborating with design teams and subcontractors to work through constructability issues while achieving design intent. She employs advanced technologies throughout a project’s lifecycle from early design estimates to virtual project handover and closeout. Anita also supports our project teams by coordinating MEP and running clash detection.

Headshot of Kevin Eng

Kevin Eng

Chief Estimator

LEED AP BD+C, Associate DBIA™

Kevin praises the aspect of GLY’s culture that provides a variety of paths for diverse abilities and personalities to flourish. Hired on as a Project Engineer, his exceptional preconstruction planning and cost estimating talent quickly developed. As our Chief Estimator, he provides 24 years of building experience and practical knowledge of construction methods, materials, resources and LEED criteria. A generous mentor and creative thinker, Kevin gets involved to guide and directly support estimating efforts on varied and complex projects at GLY.