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Our Experts


The Team Behind SGS TEC Services

Meet the experts behind SGS TEC Services’ construction materials testing laboratory. Backed by decades of experience, our team of engineers, geologists, petrographers, chemists, ACI special inspectors, and laboratory specialists is dedicated to delivering accurate, independent testing and technical expertise.

Our team is part of the global SGS network, the world’s leading Testing, Inspection and Certification company. SGS employs more than 99,250 professionals across a wide range of industries and operates 2,700 laboratories and business facilities worldwide, providing trusted testing, inspection, and engineering services in nearly every country.

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.  
View Resume

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

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

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)

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

Holden Tracy, P.G.

Senior Geologist/Petrographer

Manages and oversee projects for all aggregate materials, concrete, and 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.

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.