Mike Martel

Project Executive

Associate DBIA™, LEED AP BD+C

Mike joined GLY in 2013 as a Project Engineer and has steadily increased his responsibilities, becoming a Project Manager in 2020. He holds a BS in Construction Management from the University of Washington, where he later returned to earn a Commercial Real Estate Certificate. That’s just one example of Mike’s passion for continuous learning—and sharing with his teammates. He’s especially versed in the latest developments in 3D modeling and navigating the complex processes of advanced BIM visualization. After a long week at work, Mike burns off steam by running, cycling, and skiing.

Bill DeJarlais

Executive Vice President

LEED AP BD+C

As an Executive with a career spanning over 30 years across a wide spectrum of market sectors, Bill enjoys helping our highly capable builders lean into their relationships and take the responsibility needed to help our clients and partners succeed. Trained in architecture, he’s sustained an appreciation for design and has helped advance internal tools and technologies that help make GLY more proactive partners through every facet of a project’s life cycle. Today, Bill supports our Preconstruction + Estimating, VDC, and Marketing + Business Development teams and serves several community organizations focused on Education. He’s an avid cyclist, gardener, and family guy.

Donovan Mabbott

Superintendent

Over the last 30 years, Donovan’s appreciation for quality craftsmanship combined with his natural ability to manage the many moving parts and pieces of a construction jobsite from start to finish has garnered trust and respect from GLY employees, trade partners, and clients. From interior build-outs to full campus developments, he approaches each project by tapping into each team member’s strengths, talents, and skillsets to develop a thoughtful plan—together. Witnessing that plan unfold successfully is his favorite part of his job. On the home front, there is never a dull moment with his four kids, granddaughter, and three dogs—each bringing joy to the family with their own unique personalities. Skylar, the littlest pup, runs the pack.

Luke McArthur

Assistant Superintendent

Luke brings a diverse construction background that spans structural and civil project management, hands-on carpentry, and a passion for design and constructability. As Assistant Superintendent, he enjoys tackling challenges, improving processes, and helping teams deliver successful projects from start to finish. A U.S. Navy veteran, Luke enjoys archery hunting, snowboarding with his sons, paddleboarding, camping, and spontaneous weekend getaways with his wife.

Tyler Roschinger

Superintendent

LEED AP

With over 25 years of experience, Tyler delivers some of GLY’s most complex projects. His background in engineering, a number of certifications, ongoing industry education, and a full spectrum of market sectors on his resume bring a blend of professional knowledge and building capabilities that are ideal for highly technical projects. His approach? A balance of strong leadership and communication.

Todd Karr

Project Executive | Healthcare+Life Science

DBIA

For 30 years, Todd has partnered with healthcare and life science organizations to deliver spaces that support patient care, research, and innovation. His experience spans preconstruction, project delivery, and market leadership, with a particular passion for building strong relationships and developing successful teams. A DBIA professional and advocate for collaborative delivery, Todd is known for bringing people together around a common goal. A lifelong Washingtonian and University of Washington graduate, he enjoys golfing, spending time with his family, and cheering on the Huskies, Seahawks, Mariners, and the long-awaited return of the Sonics.

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.

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?

Dwight Hansch