Key Personnel

Gary Stevens, President

Gary Stevens, President

Since 1982, Gary has successfully worked in Colorado in all facets of the construction industry. As President and Founder of AGS Construction, Inc., he manages all aspects of the company’s operations. Gary has managed thousands of reconstruction, restoration and renovation jobs.


L. David MacArthur, Vice President of Operations

David has more than 25 years of experience in the reconstruction industry. His broad range of construction knowledge includes small minor repair jobs up to multi-million dollar building envelope and site restoration projects. David will be overseeing all AGS Project Managers and Superintendents as well as heading up our Intrusive Testing Department. David has developed and nurtured many long-term relationships with property management companies, HOA’s, engineers, architects, and attorneys. David’s reputation in the construction industry is unparalleled; he is a results oriented, hands on construction professional who can be trusted to deliver all projects on time and within budget.

Lupe Reyes, Project Manager

Lupe Reyes, Project Manager

Lupe provides professional leadership on all of his assigned projects in our Residential and Small Projects Division. He is a strong mentor for his crew, while supervising and coordinating their efforts. Lupe has been with AGS for more than 14 years, adhering to tight deadlines while putting quality control and safety at the forefront. Lupe specializes in building envelope, stucco, stone, sealants and waterproofing repair. Lupe is a Journeyman Plasterer and has a Weecycle Environmental Consulting and Safety Coordinator Certificate.

Luis Luna, Field Project Superintendent

Luis Luna, Field Project Superintendent

As our Field Project Superintendent, Luis is a valuable asset for our Residential and Small Projects Division. Luis supervises on-site performance, crew scheduling, and staff management while serving as our construction materials expert. He is also our AGS bilingual specialist, providing positive customer contact and relations while serving as Project Manager for more than 9 years. Luis specializes in remodel, stucco, windows, waterproofing, sealant, stucco and stone installation and repair. He is EDI certified, and has a Weecycle Environmental Consulting and Safety coordinator certificate.

Matt Cron, Senior Project Manager

Matt Cron, Senior Project Manager

Matt is a role model for all other project managers within the AGS Construction team. He provides professional leadership on multi-million dollar projects, supervising and coordinating large crews, and adhering to deadlines while implementing quality control and safety measures. His impeccable attention to detail provides clients with excellent customer service and assurances of a job well done. Matt specializes in restoration reconstruction and building envelope repair. Matt has more than 28 years of project managing multi-million dollar projects from start to finish. Matt has a BBA Finance and Management, currently enrolled in CSU Construction Management program, Weecycle Environmental Consulting Certification, ISA Certified Arborist, OSHA Professional Training 30 hour program, and pursuing a PMP certificate.

Michael Wachtel, Estimator

Michael Wachtel, Project Manager/Estimator & Safety Coordinator

Mike holds a Bachelor’s of Science in Architecture with a primary focus on Sustainability and Environmental Design from Southern Illinois University. He brings his knowledge of AutoCAD, Revit, 3D modeling software and building design to AGS. Mike helps assist in the supervision and management of projects and estimates while ensuring safety, quality and efficiency. Mike has experience with residential and commercial construction and has worked with numerous HOA’s. He ensures the development, implementation and updating of required written safety and health programs and plans.

ammy Robinson, Accounting Manager

Tammy Robinson, Accounting Manager

Tammy is responsible for accounts payable, accounts receivable, and oversees all accounting and bookkeeping functions for every AGS project. She is also responsible for payroll, insurance, and bonding requirements. Tammy’s experience includes more than 20 years of accounting in various fields.


Joseph Naiman, Estimator

Joseph graduated from the University of South Florida with a Bachelor’s Degree in Marketing. He spent 13 years living in New York City and working in the high end residential and commercial markets, playing key roles in the construction of some of the most luxurious and prestigious projects highlighting the New York City skyline. Joseph participated in the construction of the tallest hotel in Manhattan, a 66-floor skyscraper overlooking Central Park. Joseph is a CAP accredited DRI by the National Fireproofing Contractors Association for SFRM and IFRM applications, and a member of the National Wood Flooring Association since 2003. Joe has completed the 10-hour OSHA certification as well as 4-hour scaffolding certification by the NYC DOB.


Kevin Sodergren, Project Superintendent

Kevin graduated from the University of South Carolina with a Bachelor’s of Science in the natural sciences. As a project superintendent, he is charged with managing, supervising, and coordinating the various aspects of ongoing projects, both residential and commercial. He works closely with management, building representatives, and owners, to ensure all work is progressing not only according to their standards, but also in a timely and efficient manner. He also works diligently to implement and adhere to all safety practices and procedures set forth by AGS and OSHA. Having worked on an AGS Construction crew himself, he has experience with numerous areas of the reconstruction industry.


Andrew Harvey, Insurance Manager / Project Manager

Andrew joined the AGS team in March of 2016 bringing with him 20 years of construction experience. For the past six years Andrew has focused on multifaceted insurance restoration, with the past three years focused on large scale complex HOA and commercial projects. As a past insurance adjuster Andrew has worked with most of the major insurance providers and has proven himself as an asset in establishing open lines of communications between insurance carriers and owners. Andrew has shown his ability to manage multi-trade restorations while maintaining communication between owners, HOA boards, property managers, design professionals, and in house/ subcontractor labor.


James Ray, Project Manager / Estimator

James contributes to the team by utilizing his years of experience as a superintendent, project manager, and building envelope sub-contractor to facilitate the completion of projects in a timely manner. Having been responsible for numerous successful multimillion dollar building defect projects, his insistence on safety, quality and communication is reflected by the strong relationships he has built, not just with his colleagues within the industry but with the HOA’s and clients he has worked with. James experience from both sides of the general and sub-contractor roles is a key component to his realistic and accurate scheduling and of his excellent problem solving skills which he effectively employs when faced with the unique challenges of reconstruction.