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Our Experts

We are the world’s leading testing, inspection and certification company

Located in Atlanta, Georgia, U.S.A., SGS TEC Services is an independent materials testing laboratory including a professional staff of registered engineers, geologists, petrographers, chemists, ACI special inspectors, consultants, and laboratory specialists. We serve clients around the world.

James (Trey) McCants

General Manager – Principal Chemist

Manages projects for the evaluation of fiber reinforced concrete, anchor systems, specialized load testing of building products, textile testing, chemical and physical testing of metals, epoxy/coating/adhesives testing, treestand and harness testing; research and development; miscellaneous testing.  
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Certifications: 

ACI Aggregate Testing Technician Level 1, ACI Concrete Field Testing Technician Grade 1, ACI Concrete Strength Testing Technician, ACI Concrete Laboratory Testing Technician Level 1 and Level 2

Shawn McCormick

Business Development Manager – Laboratory Principal

Manages projects for concrete admixtures and concrete testing; evaluation of concrete mixes; development and design of concrete mixes, repair materials, and cementitious coatings; grinding aids; concrete troubleshooting.
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Certifications:

ACI Concrete Field Testing Technician Grade 1, ACI Concrete Strength Testing Technician

Brian Wolfe, PE

Principal Engineer – Petrographer, Concrete Petrography

Manages project testing of nondestructive evaluation of concrete; petrographic evaluations of cementitious building materials, forensic evaluation of existing structures, distressed concrete, load testing of existing structures, concrete sampling and testing; performs petrographic evaluations of cementitious materials, failure analysis, and mortar evaluations.   View Resume

Professional Registrations:

Civil Engineering (GA, FL, AL, SC, VA, TN, IL, MS, NC)

Robert (Chip) Sherwood

NDT and Engineering Manager

Manages projects related to the testing of cementitious repair products and other pre-packaged materials; repair material DOT testing and verification; spray applied repair products; development and design of pre-packaged materials; dimension stone testing; cast stone.  

Certifications:

ACI Aggregate Testing Technician Level 1 and 2, ACI Concrete Field Testing Technician Grade 1, ACI Concrete Strength Testing Technician, ACI Concrete Laboratory Testing Technician Level 1

Dean Roosa

Project Manager of Cement and Chemistry Labs

Manages the chemical and physical testing of all types of cement and pozzolan materials (including, but not limited to, fly ash, slag, mortar, and hydraulic, portland, masonry, and blended cement); uniformity testing of admixtures for concrete. 
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Certifications:

ACI Aggregate Testing Technician Level 1, ACI Concrete Field Testing Technician Grade 1, ACI Concrete Laboratory Testing Technician Level 1, ACI Concrete Strength Testing Technician, ACI Masonry Field Testing Technician, ACI Cement Physical Tester

Michael Lyon

Project Manager of Metals, FRC & Special Projects

Oversees testing on metals, fiber reinforced concrete, tunnel projects, industrial floor slabs, shotcrete, UHPC and various special projects in a multitude of material disciplines.
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Certifications:

ACI Aggregate Testing Technician Level 1, ACI Concrete Field Testing Technician Grade 1, ACI Concrete Strength Testing Technician, ACI Concrete Laboratory Testing Technician Level 1

William (Will) Cooper

Project Manager of Bagged Material and Spray Applied Products

Manages projects related to the testing of cementious repair products and other prepackaged materials; repair material DOT testing and verification; spray applied repair products; development and design of prepackaged materials; dimension stone testing; cast stone.
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Certifications:

ACI Concrete Field Technician, ACI Concrete Strength Testing Technician

Caleb Howard

Project Manager of Aggregate Testing

Manages physical testing of any and all aggregate materials; freeze thaw durability testing of concrete.

Certifications:

ACI Aggregate Testing Technician Level 1 and Level 2, ACI Concrete Field Testing Technician Grade 1

Holden Tracy

Project Geologist

Manages and oversee projects involving aggregate analysis and concrete petrography.  Evaluations of cementitious materials and aggregates; mineralogy for fine/coarse aggregates; geological services.  High level evaluations utilizing X-Ray Diffraction and Laser Based Elemental Analysis.

Terry Vines, PG

Principal Petrographer – Geologist for Concrete and Aggregates

Petrographic evaluations of concrete and aggregate, concrete mix design, concrete testing, aggregate testing, quarry evaluations, forensic evaluation of concrete issues; performs petrographic evaluations of cementitious materials and aggregates; mineralogy for fine/coarse aggregates; geological services.  View Resume

Professional Registrations:

Geology (GA, AL)

Dave Keyton

Quality Assurance Manager

Assures the overall safety of the company and all testing performed; manages all safety protocols for testing and employees, performs calibrations on all equipment to insure quality and consistency

Certifications:

Bruker S8 TIGER Maintenance Training

Carrie Swigart

Office Manager

Maintains office services, oversees accounts payable, accounts receivable, and procurement.

Lam Cat (Tom) Dang

Project Manager – Epoxies and Coatings

Oversees testing on epoxies, coatings, sealants, adhesives, moisture vapor barriers, anchoring adhesives and other like materials in accordance with DOT specifications and ASTM Standards