Dwight Hansch
Superintendent
Stephanie Justice
Marketing Strategist
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.
Melanie Cochrun
Director of Marketing+Communications
CPSM
A healthy dose of serendipity led Melanie from the Peace Corps third world to the A/E/C integrated world, where she discovered a love for working with the people behind the concrete. Nearly 20 years later, she is contributing and receiving ideas and inspiration for marketing, communicating, and developing business as the Director of Marketing + Communications at GLY! A self-described thinker, linker, and obstacle shrinker, Melanie likes to approach her work with these three questions: Who is our audience? What do they need? How can we reach them and develop trust?
Bryce Engen
MEP+CX Manager
LEED AP BD+C, BCXA CCP
Bryce is a mechanical systems and commissioning expert and a self-described Swiss army knife. He gets involved during preconstruction assisting with MEP scopes of work. During construction, he becomes hyper focused on QA/QC processes and procedures. On the back end of the job he develops closeout and inspection schedules and plans for startup and commissioning. He is a passionate alumnus of Washington State University, where he studied Construction Management, and minored in Business. His wife, two kids, two dogs, and Macaw parrot keep life busy but fun. Their latest achievement? Building a house together!
Jon Evatt
Assistant Project Manager
LEED Green Associate
With over 13 years of experience in construction—much of it focused on healthcare—Jon brings a practical, solutions-driven mindset to every project. Known for his strong work ethic and passion for building both on and off the job site, he combines technical expertise in civil and project engineering with hands-on know-how. Jon excels at resolving complex construction challenges, aligning design intent with client expectations, and keeping projects on schedule and within budget. His deep understanding of the unique demands of healthcare construction adds value at every phase. Outside of work, Jon channels that same problem‑solving mindset into DIY projects with his wife, son, and daughter, and enjoys staying active through skiing and hiking.
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!
Tyler Tonkin
President+CEO
Since joining GLY in 1998, Tyler has played a pivotal role in shaping the company’s culture and project delivery excellence. Now serving as President and CEO, he brings a collaborative spirit, deep technical expertise, and a strategic mindset to every facet of the business. Tyler’s leadership has guided some of GLY’s most complex and transformative projects—from integrated hospital expansions to urban highrise developments. His commitment to client advocacy and team empowerment continues to inspire innovation and elevate performance across the organization.
Steven Li
Senior Estimator
With a 30+ year career in the construction industry, Steven is an Experienced Senior Estimator known for his expertise in Value Engineering, Integrated Project Delivery, Project Engineering, CPM Scheduling, and Constructability. Holding a Master of Engineering in Construction Management and Management Information Systems from the University of British Columbia, as well as an MBA from the University of Singapore and a Bachelor's degree in Building Construction from Shanghai Jiaotong University, Steven brings a wealth of global knowledge to every project. Outside of work, Steven is passionate about staying active and enjoys hiking, jogging, cycling, and other outdoor activities. He’s also training in Filipino martial arts, focusing on Arnis, and is preparing for his black belt test — a journey that combines physical skill with cultural heritage. He is dedicated to promoting human health and wellness, with a personal interest in biology and neuroscience, particularly in areas like weight management and mental well-being. A Seattle resident for over 22 years, Steven roots for the Seattle Seahawks and cherishes time with his wife and teenage daughter.