Marcus Graham

Marcus Graham

Marcus Graham serves as General Manager of GDA Contractors in Austin, bringing more than 15 years of construction experience and a strong background in leadership, relationship development, and operations. Since joining GDA in 2012 as an Estimator/Project Manager in...
Nathan Koehn

Nathan Koehn

As Vice President of GDA Contractors’ Oklahoma City branch, I help lead our Oklahoma City team, supporting customers and their projects across Oklahoma and the surrounding states. I spend most of my time helping our team solve problems, supporting our customers,...
Brian Bruton

Brian Bruton

Brian Bruton is the General Manager of GDA Contractors DFW, a role he has held since February 2025. He has been part of the GDA team since 2012 and in the industry since 2005, gaining a broad and deep understanding of the business before stepping into his current...
Mark Dugan

Mark Dugan

My career started out in the Restoration Industry w/ the Blackmon Mooring Services. I worked with them for 36 years conducting Emergency Services in response to Water, Fire & Mold losses. During my tenure with BMS I worked thru (18) Hurricanes, Oklahoma City...
Tyler Althouse

Tyler Althouse

Tyler Althouse graduated with a degree in Construction Management from The Ohio State University in 2005 and shortly after earned his MBA from Cleveland State University. In 2009, Tyler moved from Ohio to Houston to begin his career with GDA Contractors. Tyler...