

Project Engineer
Ronnie developed an early curiosity for construction, inspired by his father, who worked as president of a Seattle-based glass company and shared stories about the buildings he helped bring to life. Today, Ronnie focuses on relationship development within the industry, where he enjoys connecting with people and learning from their diverse experiences and perspectives. Outside of work, he stays active snowboarding, surfing, and playing soccer–and has even gone shark diving and can juggle.

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.

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.

Senior Project Manager
Danny thrives in the fast-paced world of construction, where no two days are the same and every project brings a new challenge to solve. He enjoys tackling the technical complexities of each job and finding solutions that keep projects moving forward. He channels the focus and drive that project management brings into his hobbies as well, as he has spent 20+ years in combat sports, motorcycling, and golfing. A proud father of twin daughters, Danny has become an expert in negotiation, multitasking, and conflict resolution, and spends much of his free time supporting their many hobbies + interests.

Project Engineer
Ruby brings a well-rounded perspective to her role as a Project Engineer, combining an academic background in architecture and construction management with hands-on experience working for electrical contractors. She is passionate about the built environment and values the balance between thoughtful design and practical constructability. Outside of work, she enjoys embroidering, thrifting, dancing, and sketching around the Seattle area – often finishing her drawings over a glass of wine.

Assistant Yard Superintendent
Since joining GLY in 2010, Nate has been a valuable member of our Tool + Equipment Yard team, playing an integral role in the smooth operation of our projects. In addition to his supervisory duties, Nate also supports projects through GPR scanning services. Outside of work, Nate enjoys spending time with his wife and two adult children. He is passionate about all types of outdoor activities, particularly those shared with his family.

CFO
As a natural strategist with an adept financial insight, Cesar contributes immensely to the long-term success and profitability of GLY. As our CFO, Cesar oversees all accounting, financial reporting, and risk management functions. He partners closely with executive and operational leadership to drive financial performance, support strategic growth initiatives, and ensure strong fiscal stewardship across the organization.
Cesar spent more than 25 years in the construction industry before joining GLY, and values working in an industry that builds tangible, lasting structures. Outside the office, he is deeply family oriented–no small feat with more than 100 first cousins! Cesar spends much of his free time visiting family, playing sports with his kids, and volunteering within his community.

Superintendent

Principal
LEED AP BD+C
Since joining GLY in 2007, Garrick’s led construction to support the growth of multiple prominent tech companies, as well as high rise build outs and boutique historic re-developments. Managing complex projects and working with a wide spectrum of people and multi-disciplinary firms to meet client commitments and expectations set years in advance of project completion continues to be the focus of his career. Garrick holds an MBA in Finance from Seattle University as well as a BS in Construction Management from WSU, and a Commercial Real Estate Certificate from UW. He became a firm partner in 2019. A Northwest Native, Garrick’s involved in several local community and professional organizations, and never misses an opportunity for an outdoor adventure, exploring mountains with his wife, two daughters, and son.