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.

Allison Jackson

Human Resources Generalist

After earning an Associate's Degree in Communications/General Studies from Shoreline Community College, Allison joined GLY in 2019 as a Business Services Coordinator. Her passion and motivation quickly stood out, earning her the annual Team Player award in 2020, voted on by her peers. Today, Allison serves as our Human Resources Generalist, where she plays a key role in recruiting and retention initiatives. Outside of work, she is an avid outdoor enthusiast, loves attending concerts, and can often be found cheering on local sports teams.

Steve Heymes

MEP Specialist

Ben Hamm

Senior Project Manager

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 Senior Project Manager 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!

Troy Alexander

Project Executive

LEED AP

Troy’s been managing construction projects in the Pacific Northwest since 2000 and is one of our Interiors + Special Projects [ISP] team leaders. He specializes in unique renovation and improvement work in a variety of market sectors and has a long history of successfully delivering public agency projects using Job Order Contracting [JOC]. Troy enjoys collaborating with professionals of various disciplines to get fast-track projects started and completed on time. Outside of work, Troy enjoys lots of family time, good music, trying a new local beer, and cheering on his favorite sports team.

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.

Joe Sahlin

Superintendent

Joe embodies a team player, believing that “a successful project is not achieved by a sole individual.” He consistently acts as the glue that adheres the various entities coordinating a project to one another, supporting the successful delivery of a high-quality product. Joe’s perspective that client expectations are a baseline to surpass, is a product of his competitive spirit.

Laura Ovsak

Project Manager

RA, AIA, LEED Green Associate

Laura joined the GLY team in 2017 after spending five years with architecture and engineering design teams. Her varied design experience provides a deep understanding of the design process, and a fluency in the design language. Having worn many hats at GLY, she has developed a diverse skillset, carrying many projects through their phases. Laura recently completed the process of becoming a licensed architect!

Monty Kilcup