With over 57 years of combined experience, GMD’s leadership team brings hands-on expertise across complex commercial projects. We stay personally involved on site, in meetings, and in the details, to lead with clarity, solve problems early, and follow through on every commitment.
Founding Partner
Operations Manager
Greg Delagrange has 17 years of experience managing complex commercial construction projects throughout Indiana. He holds a Bachelor of Science degree in Building Construction Management from Purdue University and has led work across the education, industrial, and corporate sectors. At GMD Construction, Greg oversees estimating, preconstruction, and project operations.
Founding Partner
Field Manager
Derek Hagan brings 18 years of field leadership experience in commercial construction, with a focus on industrial manufacturing, corporate, and self-perform concrete work. He earned an Associate of Science in Civil Engineering and a Bachelor of Science in Construction Technology, both from Purdue University. Derek leads on-site operations with a focus on safety, field productivity, quality and schedule adherence.
Senior Project Coordinator
Elisa Meredith has eight years of experience in project administration and construction coordination. Her expertise includes subcontractor procurement, contract and insurance compliance, submittal management, and project billing. Elisa plays a critical role in project documentation and stakeholder communication, ensuring consistent support throughout the construction process.
Founding Partner
General Manager
Matthew Schmitz brings 25 years of experience in large scale commercial construction, with a focus on business operations, construction risk management, and supply chain procurement. He holds a Bachelor of Science degree in Business Administration from Indiana University. At GMD Construction, Matthew is responsible for financial oversight, contracting and insurance compliance, and risk management.
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