Your Crimson Team

At Crimson Design & Construction, every member of our team is committed to the highest level of commitment, quality and customer service. We care for your home and family as if they were our own.

The Crimson Team in red logo polo shirts facing left and smiling at the camera
Owner/President Glenn Zagon smiling in red Crimson logo polo

Glenn Zagon


Glenn has been the guiding hand at Crimson Design & Construction since 2013 and has worked hard to assemble the cohesive team we now enjoy. With over $100 million in completed projects to his credit, he is a proficient Architect, Landscape Architect, General Contractor, and Project Manager who has trained and flourished at several of Chicago’s finest Architecture and Construction firms.

Glenn’s, expertise in both commercial and residential construction was lauded by the Chicago Association of Subcontractors and Affiliates when they awarded him their highest honor for a construction manager, ASA Project Manager of the Year 2003-2004.

Glenn is adept at navigating and negotiating construction-related issues by developing strong working relationships between clients, architects, engineers, subcontractors, consultants, banks and governmental agencies throughout the construction process, to keep projects moving forward on schedule.

Glenn has a Master of Architecture degree from the Illinois Institute of Technology and a Bachelor of Landscape Architecture from the University of Wisconsin-Madison. He is a licensed architect and landscape architect in the State of Illinois and a member of the American Institute of Architects.

Glenn enjoys spending time with his wife Cheryl and daughter Hannah, is involved in the LUNGevity Foundation and plays a mean guitar.

Heidi Monteith smiling at the camera

Heidi Monteith


Heidi joined Crimson Design & Construction in 2020. She has been designing and remodeling homes since 1982, but went back to college for it in 2017 and graduated with highest honors in 2020. In addition to her Interior Design degree, Heidi has certificates in Computer-Aided Drafting, Residential Lighting Design, and Kitchen and Bath Design. Heidi also took 1st prize in the student kitchen category of the National Kitchen and Bath Association’s Design Vision 2020 competition. She is a certified Aging in Place Specialist and a LEED Green Associate. 

Heidi is always finding new ways to streamline our design/build processes. She works closely with our clients to create a design that brings their vision to life while solving their aesthetic, storage and functionality issues. Her life experiences help her to understand how a home design needs to adapt to the various stages of family life, as well as balancing the requirements of daily life against the need to adapt for special occasions and entertaining.

Our clients enjoy working with Heidi because she listens to them and knows how to translate their dreams into realities. Heidi thinks of all the minute details and prepares for any challenges that may arise. She is especially adept at space planning and problem solving.

Heidi visits every job site regularly to ensure that the work conforms to the decisions that you and she have made together. She is always available to the construction team to answer questions and solve problems as they arise, avoiding construction delays.

In her down-time, Heidi enjoys many creative expressions such as sewing, embroidery, painting, mosaics, and woodworking. She loves reading, traveling, watching old movies and live theatre, especially Shakespeare, with her husband Michael.

Her retirement dream is to be a Dragon Rider.

Alexander Gallegos smiling in red Crimson logo polo

Alexander Gallegos


Alex joined the Crimson team in Spring of 2022, and has been a tremendous asset to the team and to our clients. He has an uncanny ability to keep a dozen balls in the air at once and keeps everyone up to date on where each and every ball is at any moment.

Alexander’s journey in construction started 25 years ago being mentored by a cabinet maker that specialized in Japanese joinery. His passion grew throughout the years which led him to be eager to build at a larger scale. As he continued his career in the many facets of construction, he was led to be more involved in project management. It is in this role that he realized that there is a wonderful opportunity to walk and educate customers when it comes to helping make their dream project a reality. Projects without honest guidance through the procedures can become overwhelming emotionally and financially. When asked about his commitment to customers and their project, here is what he had to say:

“I believe that the most intimate and personal space one can ever be invited to is one’s home. It is my responsibility to be passionate, communicative, transparent, and honest as I walk with homeowners through their journey of construction. It is always a true pleasure to be part of creating a space with integrity, professionalism, and quality for their home so that they can experience the making of new memories.”

In his personal time, you might find Alex playing a round of golf or feeling the wind in his hair on his Harley, pretending he is in Colorado.

Chuck Trefz smiling in red Crimson logo polo

Chuck Trefz


Chuck has worked in the construction industry ever since graduating from the University of Illinois at Champaign in 1977 with an Honors degree in civil engineering. He received his MBA from DePaul University in 1982. He has extensive experience in both commercial and residential building and remodeling. Chuck enjoys hiking and biking and is very involved in raising awareness for multiple sclerosis.

Angel Hernandez smiling in red Crimson logo polo

Angel Hernandez


Angel joined Crimson in 2023 and quickly became a cornerstone of the team by demonstrating quick comprehension and leadership abilities. He has worked in landscaping, insurance restoration and carpentry. We all enjoy his “can-do” spirit and enthusiasm.

Angel enjoys spending his personal time with his wife Denice and his 2 children. He loves reading about philosophy and science, advancing his education, running and bicycling.